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  1. 6.5L Diesel Engine
    My 92 k2500 6.5 starts hard after it sits for over an hour. the longer it sits the longer it takes to start. I replaced the lift pump but it didn't change anything, It will still crank for 10-30 seconds before it starts. None of the fuel lines are wet and theres no visible leaks. Lately theres...
  2. 6.5L Diesel Engine
    The Diagnostic Checklist: Please fill out to best of your knowledge. 1. Describe the problem you are having in detail: Truck was surging when driving and then stalled when let off the accelerator. Was starting up fine and would idle for a couple seconds and die. Now it wont start at all. I...
  3. 6.5L Diesel Engine
    I drive a 1999 k2500 everything is stock as far as I know. The PMD I believe had just been replaced by the guy I bought it from (roughly 2 months ago). I was driving home from work yesterday and I was lightly on the throttle and next thing I know the whole truck shut off. So far it’s only...
  4. 6.5L Diesel Engine
    hello everyone, new to diesel's and new to the forum. I bought a 1995 3500 with 6.5 diesel that has a lot of things that were not well taken care of. so for my first question. Is there both on this motor a waste gate solenoid and a turbo boost solenoid and where are they located. I believe I...
  5. 6.5L Diesel Engine
    I have a 6.5 engine with a DB4 pump I want to install in a Suburban which had a 6.2l originally. Since I do not have a way to use the DB4 injection pump in my truck I wish to use the DB2 pump I have but the injection lines won't fit and what I would like to know is if injection lines from a...
  6. 6.5L Diesel Engine
    I have my truck back together after doing head gaskets and a whole bunch of other things. During disassembly the oil dipstick tube broke to the point of FUBAR including at the fitting on the oil pan, i replaced the oil pan as well. I need to figure out an aftermarket solution for a dipstick tube...
  7. 6.5L Diesel Engine
    Can somebody please tell me where this goes. I just finished up head gaskets and i can remember where this electrical connector goes. I thought it was to do with the injection pump or pmd but i can’t find where it needs to be. Besides filling oil and coolant, this is the last thing left of the...
  8. 6.5L Diesel Engine
    So I have a 1999 k2500 with the 6.5, I have had it for about a month now and this is my first diesel so I’m still learning. It’s been throwing the SES light at me with the code P0236. I have tested the vacuum lines to the solenoid and the orange line is good so the pump is good. I replaced the...
  9. 6.5L Diesel Engine
    I just bought a 1997 silverado k1500 with the 6.5 in it and I'm looking to build it for cheap $$$ This sounds impossible but any ideas on how to get started or suggestions im willing to dish out some cash if something is a need The truck already has the PMD relocation so it won't...
  10. 6.5L Diesel Engine
    Hey guys just installed the 6.5 pmd extender from diesel site installed it and the truck now runs but it won’t go above 1300 rpm without violently shaking. Bad pmd from diesel site? I’m kinda screwed as I can’t rehook it back up to the stock one now any ideas? I unhooked the pmd and obviously...
  11. 6.5L Diesel Engine
    Hey y’all! I just had a 1999 GMC 1 ton single cab, with a 454 gasser, and a 4L80 transmission given to me. I shortly found out that the motor was locked up from rust, from inspection I think the head gasket is bad. However I was wondering what Diesel motor would be the best to swap with the 454...
  12. 6.5L Diesel Engine
    Warning long intro post, skip ahead for the cliff notes: I guess we should start with a little background as this is my first post. I’ve been a fan of the 6.5L since 2006 when back in high school when the old man helped me buy a used 95 K2500 TD Suburban. The suburban had been a farm...
  13. 6.5L Diesel Engine
    I bought a 6.5 and have been working it. So far ive replaced the glow plugs, starter, batterys, belt, turbo, and the gaskets for the drivers side value cover and the intake also the pmd and put a resistor in it think it was the #6 resistor. So i got to crank it and it running very very bad and...
  14. 6.5L Diesel Engine
    1994 3500 6.5TD. No Fault codes Replaced: fuel injectors / glow plugs and glow plug controller / fuel shutoff sensor / batteries and battery wires / cleaned ground terminals. I tested lift pump and bleed the air from fuel filter. Both working. I have loosened the T fitting from the front of...
  15. 6.5L Diesel Engine
    So I am brand new to posting but have benefitted from diesel place for a while. I have a 93 6.5 auto turbo diesel. It used to be an ambulance in Orlando upgraded by wheeled coach 1994. I am the third owner counting the city of Orlando. I have it set up as a plow truck with front boss plow...
  16. 6.5L Diesel Engine
    Can I delete my Vacuum pump on my 2000 chevy G3500 6.5l V8 motor its an L65 1 ton express Van/ school bus ?????? ? [If not why ?] ( If Yes) Thank God!!! Then the next steps if I have to keep it i need vacuum hose diagram because it all crumbled during my Water pump replacement that is...
  17. 4L80/85E Transmissions. 6L90 Transmission
    Please tell me about the 4L80Etransmission of my 1994y GMC SUBURBAN 6.5 DIESEL. My SUBURBAN lost reverse gear and rebuilt the transmission. I put that transmission in my car, and I drove it, and all the gears switched normally. However, manually switch to the 2nd gear and pull out the...
  18. 6.5L Diesel Engine
    Hey there, got a 98 k2500 6.5TD that started acting funny. I just bought the truck a week ago and it ran great. Took a couple small trips in town, and also some further trips with at least 2 hours of drive time and did great. On my way home yesterday I pulled out the bank onto the main road and...
  19. 6.5L Diesel Engine
    1st post here. I've read most of the intro info here. Thanks to everyone for the wealth of info. I was a gasser up until 6 months ago... Now I proudly wear clothes with Diesel "cologne" and despise the gas stench. Lol. Here's the timeline to try and give some background info. Latest...
  20. 6.5L Diesel Engine
    My 95 6.5 is about to break me. I'm ready to give up and throw it in the trash heap! It's making a loud growl on start up for about 2 second then seems to run okay but the service light is on? Any clear reasons for this without the 6 years of diagnostics? It's got a bulletproof pmd with the...
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