/r/Diesel
Welcome to /r/Diesel, reddit's home for everything about compression motors!
Welcome to /r/Diesel, reddit's home for everything about compression motors! All content related to diesels is welcome here.
Please read the subreddit policies before you post and comment.
Edit your own flair above so we know what you drive!
Rules & Guidelines:
All posts must be diesel-specific. If you are posting a picture of a vehicle or part of a vehicle that could also be from a gas-powered vehicle, provide context (rule 3) or consider posting to a more appropriate sub.
Be respectful to each other and keep it civil.
Please include some information (Year, model, modifications, likes, dislikes, etc) on it in the comments of your submitted pictures! It adds context, encourages discussion, and helps us to appreciate your submission more.
No image macros or memes, please visit /r/truckmemes.
Don't spam the sub with youtube vids/channels or Instagram accounts. No blogspam or bots.
No posts or videos promoting any intentional "coal rolling" or similar type behavior. Let's continue to keep our community viewed in a positive and responsible regard.
No posts about vehicle purchasing advice, please post those questions to a more appropriate sub such as /r/carbuying /r/carbuyingadvice or one of the diesel truck subs listed below in the sidebar.
In the market for a diesel vehicle? | Buying a Used Diesel |
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Choosing your Diesel Pickup. | |
Cummins: | 5.9 Vs 6.7 |
Powerstroke: | Buying a used powerstroke |
Powerstroke Injector Testing | |
Bulletproofing a 6.0 | |
Engine Diagnosis: | Diesel Exhaust Color Diagnosis |
Choosing the right oil: | Engine oil 101 |
Read the Truth about Cold Air Intakes (or at least one mans project to get real lab data) before you go spend that $500....
Related subs. | |
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/r/Trucks | /r/classictrucks |
/r/4x4 | /r/Justrolledintotheshop |
/r/MechanicAdvice | /r/TruckCampers |
/r/slammedtrucks | /r/dieseltechs |
Mod suggested subs:
Brand | Diesel | Just Trucks |
---|---|---|
/r/Dodge | /r/CTD | /r/ram_trucks |
/r/Ford | /r/FordDiesels | /r/FordTrucks |
/r/Chevy | /r/Duramax | /r/ChevyTrucks |
/r/Volkswagen | /r/tdi | |
/r/Nissan |
Banner image thanks to u/KnightStalker.
/r/Diesel
Well... someone attempted to remove #8 at one point... I swear I only ever see this on duramax
Recently acquired a Silverado with the 3.0 Duramax and am absolutely loving it. Started using the UpSide app, and it gave some discounts, but seemed pretty minimal for diesel. I then signed up in the MudFlap app and am getting a lot better discounts for it, usually .25/.45 per gallon off. The biggest drawback is having to go through the commercial lane. Does anyone use any other discount source for diesel? And if so, what are the pros/cons for each?
And of course, use this sign up and get a free $10 with your next fill up.
Does this exist? Behold, the Five-Fold-Path to Delight:
1 -- Pre- DEFL/SCR Diesel (so anyyyyyy year before 2010?).
* That is, when diesel wasn't ruined. This point, although first on the list, is negotiable, because you know, DLT.
2 -- Light Duty Mid-Size Truck (ie Ranger, Tacoma, Colorado, Flintstone Mobile, etc).
* You might think that Light Duty and Mid-Size are contradictions. But my friend, they ain't. Full-Size is ok if that's the only thing that makes this list work, or if they are just awesom'er, but HD's are disqualified.
3 -- Manual Transmission. Non-Negotiable.
* Ok fine, everything on this list is negotiable. Just give me a Prius why don't you. Wait, I'll take a bag of rocks instead.
4 -- Crew Cab or Close To It.
* Gotta be able to fit kids, wife, and bags of crap. How much crap? Oh, so much, muchly crap, you wouldn't believe how much crap. (anyone else married?)
5 -- Not so ancient that it will die tomorrow.
* Bonus points for reliability rankings
***NB: Truly I tell you, if manufacturers created such a thing of eternal beauty, they would print dollars hand over fist (Hey you, Big Three, are you listening? No not you China, be a good boy and use the front door please).
Hello all, I have a question that I believe someone on here with more experience than diesels than I have will be able to answer
Upon leaving work today I received a “Battery Charging system” alert on my dash which I found to be peculiar as I just replaced the alternator in this truck and not too long before that, the battery. I switched to the battery voltage info page and monitored it on my drive home, here is what I noticed
When at idle the battery charges up to 14.5v which is about right, perhaps a little low, but when accelerating the voltage drops to about 12v +- .5v and maintains that voltage, not dropping any lower than 11.5 or any higher than 12.5. This happened consistently at every light I hit, though I will note here, when I returned home and did some troubleshooting, there was one brief instance where I had voltage drop at idle. Furthermore whenever rolling to stop, while the engine rpm’s dropped, I heard an odd scratchy/scraping sound where I would normally hear the turbo spooling down.
All of these symptoms seem to suggest 1 of 3 things, a loose/corroded connection which doesn’t seem to be that case as I’ve inspected the connections on the alternator and see no issues, a failing brand new alternator, and lastly and my worst fear, a failing or broken turbocharger. So before I resign myself to swapping an alternator I wanted to ask your opinion. Attached you will find a video of the odd grating sound as rpms drop, I’m hoping this is enough information to form a hypothesis on what might be wrong. I work on airplanes for a living, not diesels so I’m a little out of my element. Thank you all in advance.
Been getting the P003A and P00AF, and have seen the U010C. Still builds boost, but exhaust brake barley functioning, no oil leaks that I've seen.
Obviously needing to replace the turbo.
Been watching videos on how to do, looks like a PITA, but do-able.
Any non-mechanics tackled this? Or is it worth the $1k+ labor feels the shops are quoting me?
I need to get some parts for my 2016 LML and was looking at ordering them from The Diesel Dudes. Seems like a pretty safe bet as I know lots of people are happy with EZ Lynk and the rest of the parts are pretty standard. With tariffs going into effect tomorrow, does anyone know how this will impact the ordering or delivery process? I tried calling them and left a message, but haven't heard back yet.
New to diesel, and I bought a 2013 F350 Super Duty C&C with 49K miles. It was a town vehicle and seems to be very well maintained. Bonus, it came with a 9' fisher plow that I've already put to good use this winter.
I'm well aware of issues with the CP4, Turbo, etc.. and I have some money to sink into the vehicle. I'm also fully on board with fuel additives, and I've already put an oil bypass filtration system on it. I'd like it to last a long time and have no problem dropping $$$ to swap out the CP4 for a DCR, and replace the turbo while that's being done. What I'm looking for is a good and reputable diesel shop to do the work. I have a trusted mechanic to do the gas stuff that I'm not willing to do myself, but I'm a babe in the woods when it comes to diesel. While I'm very handing around a motor, and I'm sure I could do this stuff, I can't fit this beast into my garage to do the work, I can barely fit the nose of my Tundra in as it is.
Can do whatever text on the front or blank. Have a few different color choices. It magnetically attaches to your truck bed. I am working on an amsoil and power service version as well. Looking for feedback!
I have been looking for a diesel dually in my area and I came across a 2019 6.7 Dually with only 55k miles for $44K. Does it seem like a good deal? What are some things to look out for on these Fords?
Was wondering how worried I should be. Never heard the turbo whine before, just did an oil change on her, and now she has a slight whine. Last owners of the truck didn't take car of her, trying to clean her up.
05 ram 2500 5.9l Cummins
What could the issue be? I scanned the truck but zero codes.
Co worker of mine is offering me $1,400 for his 2002 7.3L power stroke. Approximately 302k miles and a recently rebuilt transmission with 25k left on the warranty. Recent new tires. Bed is completely rotted but the frame is decent. Would be used around my property as a plow truck and hauling wood for the wood boiler (once I put a flatbed on it). Only thing I’m hesitant about is I live in northern Mn where we frequently get -20+ in the winter. I have no prior experience with diesels, am I getting ripped or is this a decent offer?
I’m about to finance a 2016 ford f250 superduty with 124k miles and i believe everything is oem on it. How scared should i be of the cp4 grenading?
I bought a ‘93 D250 about a month or so ago and the seats are pretty ripped up. Came with these seat covers but I’m looking to get something nice to cover them up instead. Everywhere I’ve looked only has options for the bench seat in this model and I can’t find any for the bucket seats. Anything helps!
So truck was running fine until about a week ago now it’s been sitting for a week with this same issue makes this noise when I crank it. I can turn it on if I jump it but it turns off after about 3-5 minutes of idling. Not sure if it’s the batteries, alternator, both or maybe something else. I’m fairly new to diesel so I’m not sure if any experts might know.
Yesterday my turbo started making this sound that’s sounds like a kitten crying. Please any advice? It still has power, still makes boost. Just sounds weird now
Hello,
As the title states I’m looking to buy my first diesel truck, I’ve found a nice 95 7.3 DI but it has some issues. It’s a few states over from me so I’m planning to have a local mechanic look at it before I drive the ~10 hours to pick it up. I guess I’m looking for some opinions on whether or not it’s worth spending the money to have a mechanic look at or if I should pass on the truck.
I’m told it has intermittent power loss due to compression and coolant Is leaking into fuel. I’m not made of money but I can spend a couple thousand extra to get that fixed up unless it’s a head gasket. Another concern is being able to drive it back 10 hours or if I would have to tow it for safety reasons.
Any and all opinions are welcome, thank you!
So i got a 1990 toyota starlet ep80 with a 1.5 diesel turbo and i decided to upgrade the turbo. The stock turbo was no bigger than the palm of my hand so i decided to go with the best option… a turbo the size of my head haha (AR70 cold AR48 hot) besides an upgraded fuel system (injectors,diesel pump) and racing manifolds are their any systems that could help me spin my turbo?
So i got a 1990 toyota starlet ep80 with a 1.5 diesel turbo and i decided to upgrade the turbo. The stock turbo was no bigger than the palm of my hand so i decided to go with the best option… a turbo the size of my head haha (AR70 cold AR48 hot) besides an upgraded fuel system (injectors,diesel pump) and racing manifolds are their any systems that could help me spin my turbo?
I think I'm going to purchase an older truck. Has 200,000 miles. Priced at $11,000. Rust is as expected from an older truck.
Anything I should be looking for when test driving and looking under the hood? How can I get some leeway on the price with negotiations? Any advice would be helpful.