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  1. 6.5L Diesel Engine
    Thank you all for who helped truck is up and running after replacing a lot for more first time working on that big of a project, and being one of the only things I’ve done for a vehicle!! Really really do appreciate you all!
  2. 6.5L Diesel Engine
    How much coolant would my 94 6.5 need after I drained it all
  3. 6.5L Diesel Engine
    Hey guys, I know you can’t bulletproof a 6.5 or a 6.2 diesel but can you strengthen it? My initial plan was to build a 6.5 diesel with a fluidamper and splayed main caps with 18 to 1 compression pistons. You might be wondering why 18 to 1 compression, I want to do that because I heard the reason...
  4. Buying or Selling a Truck Questions
    Hi all! I am itching for another 6.5, and I found one I really like... but I need some advice. What is a fair price? What to look for when buying? Etc. I can post a video of the truck if that’d help.
  5. Buying or Selling a Truck Questions
    I thinking about buying a 1999 gmc 3500 with a 6.5 turbo diesel that guy that I’m buying it from was driving it said that it overheated and now with you crank it makes a loud popping noise near the air box and the turbo instead of sucking air it feels like it’s blowing air I’m thinking it could...
  6. 4L80/85E Transmissions. 6L90 Transmission
    I have a Fleetwood motor home, with 4l80E tranny. Its a diesel pusher, 6.5 GMC; it threw a small rock into the radiator, requiring a new one. The transmission cooler had to be removed to get the radiator out. Now I can't seem to find the proper procedure for refilling the cooler. Can someone...
  7. 6.5L Diesel Engine
    does anybody recommend the gm (acdelco) remanufactured ds4s? they seem to be reasonable at around $800. my 1999 suburban has one that was installed, with new pmd, in 2012. still runs great but has begun to leak like a sieve. if i can't fix it or if i bollix it up somehow i'll be needing a...
  8. 6.5L Diesel Engine
    Diagnostic checklist to follow. The only thing that weirds me out is the P0606 code. Anyhoo… 1. Describe the problem you are having in detail: Surging, stalling, lack of power, hard start, generally when warm. 2. Year of truck/engine. 1998 K2500 3. Odometer reading (indicate miles or...
  9. Buying or Selling a Truck Questions
    I’m looking at a GMC 3500 dually,1996 6.5 turbo It’s got 380k on it $6,500 ask price Clean Truck - looks well taken care of.I’ve read the check out thread - what do you guys think ?
  10. 6.5L Diesel Engine
    Everyone who has looked it over says it's probably timing chain and headgaskest 2000 6.5l turbo diesel
  11. 6.5L Diesel Engine
    I'm sure this has been a topic before but I have a 2000 K3500 6.5 that will start everytime on a cold start but after running and then shutting down for 10-20min it will not start until the engine is fully cooled again Engine cranks and does not sound weak truck is under 120k miles, also no...
  12. 6.5L Diesel Engine
    Hallo, hatte schon mal jemand dieses Problem? Faden am Starter abgebrochen! Wie haben Sie dieses Problem gelöst? Vielen Dank Hello, has anyone ever had this problem? Thread broken off at the starter! How did you solve that problem? many thanks
  13. 6.5L Diesel Engine
    95% complete
  14. 6.5L Diesel Engine
    Good afternoon im back with more 6.5 headaches. My 6.5 is throwing p0251 injection pump fuel metering control a (cam/rotor/injector) I just had the Injection pump replaced with one from Heath diesel, Had new injectors put in as well, Mechanic said while he was in there redoing the injection pump...
  15. 6.5L Diesel Engine
    Hey guys I'm new on this forum so hope I'm posting in the correct place. Anyways I recently just had a 1998 2500 4x4 Silverado with a 6.5 fall into my lap by way of my grandfather giving it to me as a wedding present lol. It's in really great shape all around and he has replaced alot of things...
  16. 6.5L Diesel Engine
    Just went on a 2 hour drive. From northern az to Southern az. Ran perfectly fine the whole way. Attempted to start the truck and nothing. I know I'm getting fuel to the injection pump and I know that my lift pump is working. What else should I check? Don't have any tools with me so I'm sol there.
  17. 6.5L Diesel Engine
    Hello everyone. Hope all of you are well during these times. I have a concern regarding my 1998 6.5 Detroit. Although very infrequent, the truck does a strange hiccup when idiling, almost as if I’m taping the peddle with my foot to imitate a lope. My thoughts are either injectors or a throttle...
  18. 6.5L Diesel Engine
    Hello, I can't find this info comprehensively anywhere. I'm trying to save myself the hassle of taking off the timing cover on an engine, since I'm not sure the timing is the problem. In short, how can I determine the cam shaft is timed correctly to the crankshaft without doing this? It...
  19. 6.5L Diesel Engine
    Went to run an errand this evening and after 20ish minutes truck stalled. Waited about 30 seconds and would restart and run about 15 seconds and stall again had to do this several times to get home. In the middle of this I tried a different pmd and had no change. Temp outside is about 85...
  20. 6.5L Diesel Engine
    This is a 1996 Chevy K3500(retired ambulance) with dual tanks. The grommet at the top of the fuel tank filler neck has come apart in the rear tank, and the front looks like it's not far behind. The neck is screwed into the grommet itself. I can't find the rubber grommet anywhere so guessing I'll...
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