(616)540-7886 info@dieseltecgr.com
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Dieseltec

Dieseltec

Your light to medium duty diesel headquarters in Grand Rapids, MI Service, Repair, and Performance for Duramax, Cummins, and Powerstroke

https://www.dieseltecgr.com

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2 weeks ago
Dieseltec

Orin, putting an Airlift Lift Master 500 on a truck, fun projects!! ... See MoreSee Less

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The #Airlift lift master 5000, paired with the Airlift Wireless One compressor system allows for the most effective easy to use system for your truck. Mounted out of sight the system does more than you might think, the internal gyroscope tells the compressor when to kick on and when to release pressure, this allows the system to automatically level your truck when a trailer is attached. The wireless remote included in the kit also allows the user to manually adjust ride height at any time with just the click of a button.

3 weeks ago
Dieseltec

We now have Dieseltec t-shirts for sale!! Pictured is the back and the front of the shirts.

Med - $15
Large - $15
XLarge - $15
XXLarge - $20
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We now have Dieseltec t-shirts for sale!! Pictured is the back and the front of the shirts.

Med - $15
Large - $15
XLarge - $15
XXLarge - $20Image attachment
1 month ago
Dieseltec

We had fun putting this bad boy together. 7.3L Powerstroke modified to hold up 700+ hp. Carrillo pro H rods, Mahle coated pistons with .030 milled valve reliefs. Girdle stiffener with arp main and cap bolts, rcd billet cam, smith brothers pushrods, beehive spring set and ARP head studs lay the foundation for this power plant. Thanks to Arnie and the team at C-Tech performance for helping us with the machine work and setup with this one. ... See MoreSee Less

1 month ago
Dieseltec

We have Dieseltec baseball caps for sale $15 each, stop in and grab one before they are gone. ... See MoreSee Less

We have Dieseltec baseball caps for sale $15 each, stop in and grab one before they are gone.
1 month ago
Dieseltec

We have Dieseltec knit caps for sale $16 each stop in and grab one before they are gone. ... See MoreSee Less

We have Dieseltec knit caps for sale $16 each stop in and grab one before they are gone.

Comment on Facebook

Little hot for those innit?

2 months ago
Dieseltec

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2 months ago
Dieseltec

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2 months ago
Dieseltec

Starting our day off right!! ... See MoreSee Less

2 months ago
Dieseltec

Justin dropping an engine in today with the assistance of Bernard. ... See MoreSee Less

2 months ago
Dieseltec

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2 months ago
Dieseltec

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2 months ago
Dieseltec

FOR SALE - Black Rhino - Pinatubo Wheels - New for 2020 - 8x180 bolt pattern - 20x9.5 Rims - Fits 2011 and Newer Chevrolet and GMC 2500\3500 series pick up trucks. $1,300 set of 4 ... See MoreSee Less

FOR SALE - Black Rhino - Pinatubo Wheels - New for 2020 - 8x180 bolt pattern - 20x9.5 Rims - Fits 2011 and Newer Chevrolet and GMC 2500\3500 series pick up trucks.   $1,300 set of 4
2 months ago
Dieseltec

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2 months ago
Dieseltec

Happy Friday friends!! Smoke will be rolling, refreshing hand crafted cocktails flowing, and the Tomas Esparza Blues Band will be making you sway in your seats all night long! Can you handle it? BE BOLD and see you all tonight!
$10 per person cover charge on nights of music
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2 months ago
Dieseltec

Kevin Casper running his fummins at odss ... See MoreSee Less

2 months ago
Dieseltec

We have Commercial and Fleet truck plans. Give us a call and we can discuss options with you. If you have gasser fleets we can work with them as well, give us a call today. ... See MoreSee Less

We have Commercial and Fleet truck plans. Give us a call and we can discuss options with you. If you have gasser fleets we can work with them as well, give us a call today.Image attachmentImage attachment
2 months ago
Dieseltec

Ultimate Callout Challenge day 2 show and shine ... See MoreSee Less

Comment on Facebook

Man. We have to do one!

Day 1 of Ultimate Callout ChallengeImage attachment
3 months ago
Dieseltec

Working on pulling a transmission. ... See MoreSee Less

3 months ago
Dieseltec

Daily work in the shop. ... See MoreSee Less

3 months ago
Dieseltec

Congratulations!!!! to our two winners of the free oil Changes for a year (up to 4 oil changes).

Congratulations goes out to Kyle Visser and Ryan Ruth!!!!
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3 months ago
Dieseltec

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3 months ago
Dieseltec

Thank all of you who came out today to see some of the changes we have made and meet Kat and myself. The outpouring of support from all of you is overwhelming! Thank you for being a part of the Dieseltec family!!! Please let us know how we can better serve you as we grow together as part of this amazing community. ... See MoreSee Less

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Happy for you Todd! Good luck to you and your team!

3 months ago
Dieseltec

We are now taking applications for full time certified automotive technicians.
Automotive diesel experience not required but is rewarded.

Job requirements:
State Certification Required, ASE Certification Preferred
Ability to pass background screening such as drug screen, physical and driving record check.
5 years experience in the automotive industry
Must be punctual and bring a positive attitude to work everyday
Ability to communicate solutions to others
Willingness to further training and technical expertise.
a customer-focused attitude to go along with a high level of motivation and energy.
Complete set of basic tools

What we offer:
Competitive wages
Free Uniforms & Laundering
Health insurance match
Paid holidays
Continuous education
Employee discounts
Family atmosphere

Why are we different?
Our values, culture and reputation set us apart
We provide only the highest quality work using the highest quality parts
We believe in excellence and our customers have come to expect it from us
We make self-improvement a way of life
Bring your resume to
2875 Ottawa Ave SW
Grandville, MI 49418
616-540-7886
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4 months ago
Dieseltec

Let’s do everything we can to support our fellow troops and show our support! ... See MoreSee Less

4 months ago
Dieseltec

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4 months ago
Dieseltec

We took a beautiful 2019 Denali and put a 10” Mcgaughy’s lift powder coated in Prizmatic Powders illusion Cherry. Finished her off with a set of Airies ActionTrac Running boards, Mcgaughy’s Traction bars and a few powder coated accents including a Gen-Y 15” adjustable drop hitch. Really proud of this one. Thanks, Al, for letting us play with this bad boy!! ... See MoreSee Less

4 months ago
Dieseltec

Good morning Dieseltec family,
As many of you already know Brian has decided to follow his dreams and move on from Dieseltec. Todd and his wife, Kat, have decided to purchase it. As of today they are the new Owners. We are going to have a grand reopening on May 1, 2021; we hope to see some new and friendly faces.
We are committed to servicing all customers, new and returning, with quality work.
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Comment on Facebook

Congratulations!

Congratulations Todd and kat

Congratulations Todd and Kat!

God is good, congrats!!!

Good folks that KNOW what they are doing !!

Interesting, given that in April 14, 2015, the owner publicly posted that he would refuse service to anyone he knew was gay, or else sabotage their vehicle by leaving out connecting parts—evidently in hope of committing murder via high speed failure/crash.

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4 months ago
Dieseltec

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4 months ago
Dieseltec

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1 years ago
Dieseltec

Covid 19

We will remain open with full service capacity as we move forward with our (hopefully temporary) new reality. Our hours of operations will remain from 8am to 5pm M-F. We have adjusted our staff schedule and will be rotating technicians to continue to meet our customers needs.

We here at Dieseltec care about your health and safety as well as that of our staff, friends, and family. During this pandemic, the small changes will be Todd and Brian's physical presence at the shop and certain technicians on certain days. Our Office Manager Todd will be working from home as much as possible since the majority of his tasks can be done remotely. Please feel free to call as normal and expect to still be working directly with Todd as usual for all your needs. Our owner, Brian, will also be available but in a limited capacity as he is on the front lines working Fire and EMS and is choosing to limit his time at the shop to limit potential 3rd party exposure of our customers and staff.

We have also adopted additional sanitation practices to ensure your safety in our facility.

We are all in this together. Our prayers go out to each and every one of you. We are here for our customers and our community. Let us know how we can help.
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2 years ago
Dieseltec

Come visit us at the RV show this weekend! ... See MoreSee Less

Come visit  us at the RV show this weekend!

Comment on Facebook

What town is this RV show in?

Booth 306 on the south side of the building

3 years ago
Dieseltec

Happy and Merry "whatever doesn't offend you"!

Reminder: We are looking to make a decision this week on the family that will receive our gift. We have plenty of submissions of many families in need so please feel free to reach out if you have been blessed and would like to give back also, but, If you have someone in mind that could use some help, let us know right away and we will get them in the mix!
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Comment on Facebook

Merry CHRISTmas to all!

Merry Christmas. $uck the whiners!

Do they have to live in Michigan to get help?

Merry Christmas

Merry Christmas 🎄

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3 years ago
Dieseltec

Hey all! Happy Holidays!!!

The team here at Dieseltec would like to express our gratitude by paying it forward:

We are looking to sponsor a family for Christmas this holiday season. In the spirit of giving we ask that you submit recommendations for others in need that you know of.

Please send us a message if you know of someone through work or other social networks that could use some holiday cheer and we will work with you to give them a really great Christmas 2018!!!

(If you have been blessed like us and would like to pay it forward let us know and we will gladly facilitate helping more than one family through this effort.)

GOD BLESS!
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Comment on Facebook

Anyone else want to bridge the political divide for the holidays? Im gonna do some thinking on what's being discussed above. Signing off for now...

I understand the need to spew hate from the "tolerant" left continues, but folks, save it for another area. We want to help a family in need and your comments against me here only hinder a family getting help.

How about a frequent flyer discount? Ugh cant even wait to pay our bill! Do you take checks? I would nominate us but we have a roof, heat and jobs, but man this hurts! Thank you for being so great and doing this for a family in true need!

I wish people would say "Merry Christmas" again

I know a family

do they have to be WHITE or will another race do ?!?!? 😏 god bless

well here in New York state we have a letters to santa program. you get set up randomly with a family in need and the christmas letters their children write to santa for christmas wishes. Doing that its kept anonymous and the program is the 3rd party that brings the gifts you were able to fulfill to the children in need. I'm sure you have programs like that there?

I would bet almost anything that this ginger douche bag sucks mad dick on the low!

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3 years ago
Dieseltec

5 Things Your Truck Needs For The Summer:

Summer brings laid-back trips to the lake, adventures into the great outdoors and rambling road trips—and it takes a lot of recreational gear to make it through the season. It can also bring frustration, stress and the occasional panic attack if you don’t have your rig properly outfitted to accommodate all the extras. Here you’ll find my top five categories to stay cool, maximize your free time and outfit your vehicle for an endless summer..

The Lift
Whether you’re hitting the mud hole or just taking a lazy cruise through the dunes, you want a suspension lift that does more than just let you put big tires on. From a 2” leveling kit to a 12” kit for mud boggers, we can set you up with the good stuff for any off road application or tire size.
Speaking of tire size, we can also hook you up with your favorite brand of wheels and tires or recommend a set based on what look and function you are going for. We offer a wide range of products from AMP Research to Zone Offroad and anything in between. Just imagine what your truck would look like with a 6” Skyjacker lift, Fuel Krank wheels, and a set of Nitto Terra Grappler tires. Yeah, we do that…

2. The Look
Is it fog lights, running lights, or light up the night lights that you’re looking for? Whether you need to see or be seen, we can install a system that will light up your world. Projector headlights, LED cab lights, Light bars of any size, smoked side mirror LED’s, tail light conversions, you name it… If you want it lit up, you will get lit!
There are so many options to dress up your truck to suit your needs and personality, we couldn’t possibly list them all. Suffice it to say, if you want Fab Four bumpers, AMP steps, Recon lighting, Bushwacker fender flares, or a Weathertech floor mat system, you can get them here.

3. The Performance
We all want our trucks to be the biggest, baddest, fastest machines with enough torque to move a mountain. Whether you’re looking for “just a little more” for efficiency and mileage or a 1000 hp beast, we have the power solution you need. With an array of time tested and proven hard parts, tuners, and experience, we not only shoot for horsepower goals, but reliable, daily drivers. Our process begins with a full evaluation of your truck’s current condition. We recommend any maintenance and repairs needed to bring your truck up to safe and reliable standards using OEM parts and specifications and suggest upgrade or performance replacement parts where desired. We then work with you to build a plan to meet your horsepower and performance desires. Once we agree on a plan, our staff works together to ensure that your truck exceeds your expectations when you get it back from us. Our partnership doesn’t end when you pick up your keys, the staff at Dieseltec is here to answer your questions, give technical advice on your project, teach you more about your truck, and take care of it for the foreseeable future with regular check ups and maintenance. All part of reliable, dependable performance.

4. The Payload
As much as we all love to soup up, dress up, and lift up our trucks, the simple fact remains that the purpose of these beasts are to haul stuff. Lots of stuff. If those leaf springs sag under the weight of your load, maybe consider an Airlift air bag system, Need to haul a 5th wheel? We have the hitch and rails. That big John Deere on the trailer making the tail wag the dog? We offer a new generation of articulating receiver hitches that’ll make you barely notice it back there. Bed not quite big enough to fit your gear? Bed extenders. Need to keep your gear dry? Tonneau covers. Storage and organization solutions abound. Whatever you can think of we have a solution for. Auxiliary tanks with tool boxes, slide out drawer systems, side boxes, swing out coolers with bluetooth speakers. The solutions for hauling everything from beer coolers to skid steers are at our fingertips. Let us know what you are using your truck for and we can help you find the right payload solution.

5. The Party
So it’s memorial day weekend, you’ve put some effort in your truck for peak performance, you’ve got off road clearance, all terrain tires, the light system, the bluetooth coolers installed, and your truck is looking sharp. You are planning a trip up to the dunes for some fun in the sun. Maybe test your equipment on test hill, do some tailgating, and maybe a little fishing. Later tonight is the bonfire then crash in your tent for the night. Any way you plan it, you want your beast to be the center of attention. Where do you get the gear to outfit your truck? We’re not going to have the fishing gear or the beer, but the Taildecker tailgate system is available next to the secure storage locker for your fishing gear. We can rock your favorite playlist at the bonfire with a bluetooth speaker setup. You can get a ProZ truck tent for that 8 foot bed that never has to be made. There’s something women like about a pickup man…sorry..squirrel. If it runs on #2, we’re #1. This is Dieseltec. God. Country. Diesel. Yeah, we do that….
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3 years ago
Dieseltec

Whew!!! I have been busy! Sorry for the lack of videos, although you don't seem too upset, lol.

I now have some time again here and there and would gladly accommodate... is there a particular subject you want to hear the truth about?

Remember, my opinions ARE facts! ha ha!

Make your suggestion in the comments section below!
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Comment on Facebook

Trump is building the wall section by section & replace old walls along the way,, just doing it on the low down...

,how about getting more power out of a 7.3 without damaging it ? For power pulling an Rv. 3.73 gears in rear end.

What's the best emissions delete software for QSK model Cummins

In your opinion only based on facts... I'm building an AR platform.witch would you go with a .224 vs 6.5 . And why...

Or just sticking to your business acumen and talking about diesel.

Hey you guys did a great job on my brother Ryan's dodge ... he loves it

Here is a fact... Absolute truth... This is going to be a long post fellas... First and foremost, THANK YOU! Thank you for being the most legit, straight forward, and honest mechanic / business that we have ever done business with! Second, thank you for not absolutely chewing our ass, for buying internet parts! LOL (I'll let my hubby take credit for that!) Third, thank you for just being an all around amazing company, hands down, literally, the best! I don't care what ANY reviews say, take the time to get to know these guys, and they are the LEAST judgemental crew you will find... Four, thank you for actually caring about your customers! You have gone FAR beyond 'typical service' and pushed to get the Green Goblin back on the road! (my hubby is a giant pain in the ass) 😉 But, in all seriousness, your company, is a rare find... Believe me, between the 'Stang and various other motorized toys my hubby's collected, we've been to our fair share of mechanics lol, but hands down, Dieseltech, has been our favorite... By far, there's not even a close second! I never hashtag, but I'll make an exception this time.. #CUSTOMERSFORLIFE

You still suck you ginger pussy

How about more of God , guns , and HP. And less of the guy that don't know what bathroom to piss in...😎

What’s your take on the WALL? & doca

Just because you have an opinion doesn't make them facts.

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3 years ago
Dieseltec

Todd’s Tips and Tricks For Diesel Truck Owners: Seven steps to take after an accident

Accidents are an unavoidable part of life. No matter how much we try or want to avoid them, we simply can’t. The only thing you can do is try and minimize the effects an accident might cause, and be prepared to take the proper action once the accident occurs. So, to help with that, here are seven steps you should take immediately following an automobile accident.

1) Determine the extent of damages and injuries

The most important thing following any accident is to determine injuries, and if anyone needs immediate assistance or aid. Auto accidents are dangerous, and it’s important to assess the health of everyone involved immediately preceding an accident and respond appropriately.
Try and stay calm throughout this process. Panic is infectious and unhelpful, and will only hinder the entire process. If the damages are fairly minor it’s important to get all vehicles involved off to the side of the road. Leaving cars stopped in the middle of a road or intersection can cause further risk of accident and injury.
2) Alert the authorities
Once the vehicles are out of the way of further harm, or if the damages are too severe to move one of the cars, make sure the authorities have been alerted. Typically a witness will have called before one of the motorists has the chance, but always make sure they’ve been alerted. Don’t assume someone else will take charge.
3) Exchange information
If neither of you needs immediate medical attention, now is the time to exchange information. You need to swap names, address, phone number, email, insurance providers, policy numbers, driver license numbers and license plate numbers. If the driver isn’t the owner of the car, take note of their relationship with the car owner and get the address and phone of the car owner as well.
4) Document the Events
Write down as clearly and succinctly as possible what transpired. Get the make, year and model of both cars. Include where the accident happened, and your version of events. Next, get the contact information from anyone who witnessed the event. Also, date and sign the document, preferably in front of a witness.
5) Record the Damages
Document the damages as best you can. Hopefully you have a camera or can take pictures on a smartphone. Take as many pictures as you can, from various angles. Record all damage extensively. If there are no cameras available, write down a report of the damages. It is extremely important to have extensive proof of all damages. Make sure to do this for both cars.
6) File a Report with the Police
No matter how minor the accident, a report needs to be filed with the police. This is extremely important. If you fail to file the proper report with police when the accident transpires, you can later be held completely accountable for all damages.
No matter how trustworthy the other person seems it is necessary to document the accident with the police, for all parties involved. This prevents any fraud or misunderstandings later.
7) Contact your Insurance Agent
The sooner you contact your insurance agent, the better. If at possible, do it while on scene with the police still present. This will help you accurately report the facts of the accident to your insurance agent, and strengthen your claim down the road.
It is extremely important to be entirely honest throughout the complete process. Don’t exaggerate or fabricate. Try and stay calm and cool, taking deep breaths. Accidents are an unfortunate event, and are only worsened with panic and anger.
Finally, do not admit fault in the heat of the moment. After an accident people commonly feel the need to apologize, even if the fault was not theirs. Resist this urge, as it can have serious legal and financial consequences later down the road. Wait until everyone has calmed down and you’ve spoken with both the police and your insurance agent.
You can’t undo an accident, but you can protect yourself. Safe driving.
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3 years ago
Dieseltec

Todd’s Tips and Tricks for Diesel Truck Owners: Fuel filtration

Diesel fuel contains paraffins, similar to the component in wax candles. This material has a rather high freezing temperature that can cause a “gelling” of your fuel, making it a solid material. Gelling can result in a clogged fuel filter, clogged lines, and likely an engine shut-down situation.
Additionally, diesel fuel systems are susceptible to water and moisture buildup that can freeze, clogging the lines and the filter.

Diesel owners have been dealing with this issue for years. There are ways around it.

Dry Your System
Before winter arrives, ensure that all water has been removed from your fuel system. Several additives are available that utilize isopropanol to remove existing water. These products are normally inexpensive, so treating your system is recommended.
Additionally, if you are concerned about water in your system, several companies offer separator kits that are easy to install and work well. These devices can be easily drained for fluid removal.

There are many additional benefits to these types of systems that we will cover at a later date.
Change Your Fuel Filter
This is key. A dirty fuel filter will clog much quicker than a clean unit. If you have not serviced this filter in some time, you should replace it before the winter season.
Use a Winter Additive
Although we here at Dieseltec are not a big supporter of additives as there is no such thing as a “mechanic in a bottle”, there are some additional protective measures you can take with your fuel system with additives that prevent both water and wax issues. One such additive that we recommend is Stanadyne performance diesel fuel treatment.

Keeping your fuel system in proper order is important for consistent reliability. The colder your climate, the more difficult this will be.
Next Week: Roadside Emergencies
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Comment on Facebook

Additives like Seafoam and Rev-X act more like a bandaid than a fix. I have seen them both clean up a stiction problem short term but seem to shorten the overall life of the injector. Either way, a new set of injectors is in your future and we recommend replacing them at the onset of the issue.

What's your take on using seafoam on the last full tank before changing fuel filters? I change mine regularly but the first time I tried this additive, my main filter was clogged with all sorts of sediment and gunk. Since then, I have been using it prior to changing the filters and there is very little on the filter when I swap it out.

3 years ago
Dieseltec

Todd’s Tips and Tricks for Diesel Truck Owners: Glow Plugs

One of the leading causes of a diesel truck not starting, other than battery issues, is the failure of engine glow plugs. A glow plug functions to heat the combustion chamber for cold starts. The plug threads into the cylinder head, with the tip making its way into the combustion or pre-combustion chamber. Once energized, the plug heats up to more than 1880°F (1000°C), essentially kick-starting your diesel engine cold-start. Modern glow plug systems continue to stay active for some time after start, in an effort to improve cold-weather emissions.

A failed glow plug will not normally present itself in warm weather, but once temperatures drop, the vehicle will be difficult to start, or not start at all. A glow plug can fail in many ways, but it usually involves damage to the heating rod that is exposed to extremely high temperatures during combustion. An overheated rod can melt and degrade over time and is also susceptible to carbon deposits.

Testing glow plugs can seem like a daunting task, especially since you will have six to eight plugs. However, it’s not as bad as you might imagine. One of the best (and easiest) ways to test glow plugs is by using a testing device specifically for these plugs. This device provides an accurate answer as to whether you will need to replace one or more plugs. Additionally, this device normally operates with the plugs still installed in the engine, saving a ton of time. The only downside is the cost; a good unit comes in around $150–$200.

If you don’t mind getting your hands dirty, you can save a few bucks. You will need a multimeter and some time. First, check each plug for resistance from the connection to the body of the plug. Place one connection point on the power post, the other on the body of the plug. Depending on space, you might have to remove the plug to conduct this test. Your multimeter should read between 0.6 ohms and 2 ohms. A bad plug is normally identifiable by an extremely high resistance reading.

Typical relay style glow plug system
Once you check all plugs, a non-functioning plug should be easy to identify. Remove the offending plug and inspect it for damage.

If you are still looking for further confirmation, you can hook a 12V source to the power and ground the body of the plug. After a few moments, the plug end should glow (don’t touch!), indicating it’s functionality. If it doesn’t, you have a faulty unit you should replace.

Now that you have identified any faulty plugs, be sure to replace them with quality components. Removing a poor-quality unit in the future can be challenging, and you really pay for what you get as far as glow plugs are concerned. Follow all manufacturer torque spec recommendations during install to ensure that you do not damage the component or engine.
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3 years ago
Dieseltec

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Comment on Facebook

The music alone made me lose IQ points.

3 years ago
Dieseltec

hey folks, looking at traffic on the page here for the last couple weeks. Guess I never thought to ask you guys what YOU want to see. More of my BS? More Projects? More tips and tricks?

Let us know what you would like to see more of!
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Comment on Facebook

All of the above is good!

🌈🌈🌈🌈🌈🌈🌈🌈🌈🌈🌈🌈🌈🌈

More Truth. Its a scarce commodity in this world.

I really want to hear about fixing my 7.3 diesel 😉 and about what kind of financing you have

Personally I like to hear your opinions on the state of our country, if that's what you mean by BS.

Build pics

More worldly views

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3 years ago
Dieseltec

Todd’s Tips and Tricks for Diesel Truck Owners: Thermostats

Thermostats function to regulate coolant temperatures. As the coolant warms up, they begin to open and allow fluid to reach the radiator. Once the engine is up to operating temperature, the thermostat should be completely open to allow fluid flow throughout the entire cooling system. Some modern diesel engines use a dual thermostat system for even greater protection against temperature spikes.

If your thermostat fails to open, your truck will take a long time to warm up. Coolant will be circulating through the system and cooling in the radiator at all times. Although this is unlikely to cause any engine damage, you will likely see a check-engine light (CEL) when the coolant takes too long to warm up. Additionally, you will not have proper cabin heat until long after the truck has been running.

Your thermostat can also fail in the closed position, and this situation can be more harmful if not identified quickly. A closed thermostat will not allow coolant to flow through the system, resulting in overheating. Luckily, modern electronics systems will notify the driver of this problem prior to it becoming detrimental to the engine. As we know, an overheated engine can result in blown head gaskets or internal engine damage if temperatures get hot enough.

If your thermostat has failed, you will know it, but if you are suspicious of its operation, there are a few ways to inspect this component.
First, you can check the temperature of both radiator hoses once the vehicle is warm. If the vehicle coolant temperature gauge is showing that the truck is warm, touch both the upper and lower radiator hose to ensure they are both warm. If one is cold, the thermostat might not be opening, but if the thermostat is stuck closed, you should feel some pretty hot hoses. Be cautious when touching the hoses.
If you are still not convinced that your thermostat is functioning properly, it can be removed for testing. Once removed, place the component in a pot of boiling water and watch to see if the thermostat opens. If it does not open, consider your thermostat nonfunctional.

Age plays a role in the wear and tear on your thermostat. Keep in mind that this component is in direct contact with engine coolant, and it frequently experiences substantial temperature fluctuations. If you have a lot of mileage on your truck and the thermostat has never been replaced, consider doing so before winter.

When replacing your thermostat, you should consider upgrading to a thermostat with a higher activation temperature. Diesel engines are more efficient at operating at higher temperatures. If you raise operating temperatures by a few degrees, fuel efficiency will slightly increase. Another benefit is cabin heat. Because the thermostat takes longer to activate, the vehicle will warm up faster, getting you heat faster on those frigid days. If you live in colder climates, we highly recommend upgrading your thermostat to a high-temperature unit, if one is available for your truck.

Next week: Glow plugs
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Todd’s Tips and Tricks for Diesel Truck Owners:  Thermostats

Thermostats function to regulate coolant temperatures. As the coolant warms up, they begin to open and allow fluid to reach the radiator. Once the engine is up to operating temperature, the thermostat should be completely open to allow fluid flow throughout the entire cooling system. Some modern diesel engines use a dual thermostat system for even greater protection against temperature spikes.

If your thermostat fails to open, your truck will take a long time to warm up. Coolant will be circulating through the system and cooling in the radiator at all times. Although this is unlikely to cause any engine damage, you will likely see a check-engine light (CEL) when the coolant takes too long to warm up. Additionally, you will not have proper cabin heat until long after the truck has been running.

Your  thermostat can also fail in the closed position, and this situation can be more harmful if not identified quickly. A closed thermostat will not allow coolant to flow through the system, resulting in overheating. Luckily, modern electronics systems will notify the driver of this problem prior to it becoming detrimental to the engine. As we know, an overheated engine can result in blown head gaskets or internal engine damage if temperatures get hot enough.

If your thermostat has failed, you will know it, but if you are suspicious of its operation, there are a few ways to inspect this component.
First, you can check the temperature of both radiator hoses once the vehicle is warm. If the vehicle coolant temperature gauge is showing that the truck is warm, touch both the upper and lower radiator hose to ensure they are both warm. If one is cold, the thermostat might not be opening, but if the thermostat is stuck closed, you should feel some pretty hot hoses. Be cautious when touching the hoses.
If you are still not convinced that your thermostat is functioning properly, it can be removed for testing. Once removed, place the component in a pot of boiling water and watch to see if the thermostat opens. If it does not open, consider your thermostat nonfunctional.

Age plays a role in the wear and tear on your thermostat. Keep in mind that this component is in direct contact with engine coolant, and it frequently experiences substantial temperature fluctuations. If you have a lot of mileage on your truck and the thermostat has never been replaced, consider doing so before winter.

When replacing  your thermostat, you should consider upgrading to a thermostat with a higher activation temperature. Diesel engines are more efficient at operating at higher temperatures. If you raise operating temperatures by a few degrees, fuel efficiency will slightly increase. Another benefit is cabin heat. Because the thermostat takes longer to activate, the vehicle will warm up faster, getting you heat faster on those frigid days. If you live in colder climates, we highly recommend upgrading your thermostat to a high-temperature unit, if one is available for your truck.

Next week: Glow plugsImage attachment
4 years ago
Dieseltec

Todd’s Tips and Tricks for Diesel Truck Owners: Coolant care.

It’s vital that your coolant system is in proper working order. Vehicles require a 50/50 mix of water and antifreeze for proper cooling, protection of internal passages and components, and protection against fluid freezing. Check the cooling system to ensure that it has the correct mixture of antifreeze and water for your vehicle. If the fluid in your cooling system freezes, serious damage can occur. Your engine is designed with numerous press-fit plugs (freeze plugs) that are made to rupture if the internal fluid freezes. If a plug ruptures, you will be treated to a leaking coolant system, and that’s a best-case scenario! If a plug does not function, freezing water will cause damage to the engine block and cylinder liners, and the remedy for that is an engine replacement.

Hopefully these potential problems will cause you to at least pop the cap on your radiator (when cold) to check for antifreeze coloring. A coolant tester is the quickest and most accurate way to test this system, and you can find such a kit in any parts store, typically for $5–$10. The test involves drawing a small portion of coolant into a testing tube and then viewing the flotation of several small balls within the tube. (Each test kit will differ slightly, so be sure you follow the instructions.) This test should provide an approximate percentage of the coolant mixture, as well as the ambient temperature above which your truck will be protected.

Most coolant manufacturers will include a freeze-protection chart on the back of the bottle, which can be used to determine your desired ratio of coolant to water. A typical 50/50 mix should provide protection down to around -25°F (-32°C). Increasing the coolant-to-water ratio to 70/30 can provide protection down to around -75°F (-59°C). Use these charts to determine the mixture you will need for the winter you are preparing to face.

While you are testing your coolant for proper mixture ratio, inspect the core and end tanks of the radiator for any leaks. The plastic end tanks on factory radiators are prone to fatigue and eventual cracking or splitting after years of exposure to repetitive temperature variations. Although this could happen at any time, a small leak can turn into a complete failure when extreme weather is introduced into the equation. Determine the cause and address any leaking point appropriately.

This is also a good time to check for potential future leaks. Check for any seepage along the tanks or visible hairline cracks. You may need to clean the surface to more easily identify any concerns. Check nipples for crack damage; these areas are usually a bit thinner and more prone to failure. Lastly, check the connection point between the core and the end tanks. This connection is normally a metal crimp with a rubber gasket. If this connection is leaking, you need a radiator replacement

If you’ve identified that your radiator needs replacing, do so before the problem gets serious. Overheating on the road is never fun, and it can result in significant engine damage if the high temperatures are not immediately caught.

-Next week: Thermostats
... See MoreSee Less

Todd’s Tips and Tricks for Diesel Truck Owners: Coolant care.

It’s vital that your coolant system is in proper working order. Vehicles require a 50/50 mix of water and antifreeze for proper cooling, protection of internal passages and components, and protection against fluid freezing. Check the cooling system to ensure that it has the correct mixture of antifreeze and water for your vehicle. If the fluid in your cooling system freezes, serious damage can occur. Your engine is designed with numerous press-fit plugs (freeze plugs) that are made to rupture if the internal fluid freezes. If a plug ruptures, you will be treated to a leaking coolant system, and that’s a best-case scenario! If a plug does not function, freezing water will cause damage to the engine block and cylinder liners, and the remedy for that is an engine replacement.

Hopefully these potential problems will cause you to at least pop the cap on your radiator (when cold) to check for antifreeze coloring. A coolant tester is the quickest and most accurate way to test this system, and you can find such a kit in any parts store, typically for $5–$10. The test involves drawing a small portion of coolant into a testing tube and then viewing the flotation of several small balls within the tube. (Each test kit will differ slightly, so be sure you follow the instructions.) This test should provide an approximate percentage of the coolant mixture, as well as the ambient temperature above which your truck will be protected.

Most coolant manufacturers will include a freeze-protection chart on the back of the bottle, which can be used to determine your desired ratio of coolant to water. A typical 50/50 mix should provide protection down to around -25°F (-32°C). Increasing the coolant-to-water ratio to 70/30 can provide protection down to around -75°F (-59°C). Use these charts to determine the mixture you will need for the winter you are preparing to face.

While you are testing your coolant for proper mixture ratio, inspect the core and end tanks of the radiator for any leaks. The plastic end tanks on factory radiators are prone to fatigue and eventual cracking or splitting after years of exposure to repetitive temperature variations. Although this could happen at any time, a small leak can turn into a complete failure when extreme weather is introduced into the equation. Determine the cause and address any leaking point appropriately.

This is also a good time to check for potential future leaks. Check for any seepage along the tanks or visible hairline cracks. You may need to clean the surface to more easily identify any concerns. Check nipples for crack damage; these areas are usually a bit thinner and more prone to failure. Lastly, check the connection point between the core and the end tanks. This connection is normally a metal crimp with a rubber gasket. If this connection is leaking, you need a radiator replacement

If you’ve identified that your radiator needs replacing, do so before the problem gets serious. Overheating on the road is never fun, and it can result in significant engine damage if the high temperatures are not immediately caught.

-Next week:  ThermostatsImage attachmentImage attachment