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  1. General Discussions
    2020 Silverado 2500 L5P. Got this hose on the left side of the transmission under the driver side got pushed into the front drive shaft and sliced it open and it’s leaking pinkish red can’t tell if it’s coolant or tranny fluid can someone tell me
  2. Turbo's Stock and Aftermarket.
    Wondering what part is leaking and what to do to fix any insight is helpful, thank you
  3. General Discussions
    After 17 years and about 230k it’s looking like time for new fuel lines on my LLY (crew cab short box). Not seeing a lot of straight forward plug and play kits online. Lines to go.com has a few however I don’t see many reviews on their kits. Does anyone have any recommendations on fuel line kits...
  4. 04.5-05 LLY Duramax Powertrain
    So I have a 2005 LLY Duramax crew cab and I’m new to the Duramax diesel world and I’ve only owned the truck since October 2019 til now and the truck just turned over 205k miles. Now my question is, would a leaking injector return line cause injector knock? The passenger side, #7 injector, return...
  5. 01-04.5 LB7 Duramax Powertrain
    So I have a feeling that my tranny is about to take a dirt nap. Which isn't that cool but it has been throwing some p0700 p0840 p0746 codes and its done that twice as of late. It started leaking fluid, i got that to stop now i can smell tranny fluid when i get out of the truck. Hasnt thrown any...
  6. 01-04.5 LB7 Duramax Powertrain
    Am I just paranoid?? So it started as a small leak between the tranny and engine. There was also a small leak next to my spin on filter this little aluminum tab thing (not sure what its for). Leak stopped fluid level is perfect but I can smell transmission fluid when I step out of the truck...
  7. New Member Introductions
    Hello there. Just bought an 06 Chevy silverado 2500hd with a 10" lift and 39 1/2" tires. It has the 6.6l diesel engine with allison transmission. I love it so far except that I have a concern about oil leakage. I thought it was loose bolts but after tightening all the bolts I could find in...
  8. 911 Problems Forum
    ok well i have been having the low coolant message pop up here and there i add water and it will go away for a while,untill today i started my truck up,immediatly i smelt some coolant somewhere,i stop what im doing and look under the truck,its drip drip drip dripping down from somewhere i dont...
  9. 911 Problems Forum
    can anyone tell me why fuel would be leaking from the water in fuel sensor drain that threads into the filter? It's causing the truck to shut down and really pissing me off. New filter and o rings. Thanks
  10. 911 Problems Forum
    I have a 2003 LB7 and it has started smoking white smoke on start up when warm, but once driving it disappears. Also it is using a ton of coolant! I have read a lot of threads and done some research. I brought it to my mechanic and he checked it out and put a pressure test on it over night. Set...
  11. 911 Problems Forum
    Doing routine maintenance when I noticed what looked like soot leaking around my EGR blocker plate. Closer inspection it was a little soot and oily as well. I pulled the plate and this is what it looks like: Pic 1 is the Intake side of the plate, pic 2 is the exhaust side. WTF is going on...
  12. 911 Problems Forum
    I recently towed at Mastercraft boat with my LMM this week on L1 on my Edge Race Evo, and the truck is pouring fuel out of it from the rail on the drivers side. The rail has been opened up on both ends for a shim kit and ported fitting, so obviously those would be the first things to check. But...
  13. 01-04.5 LB7 Duramax Powertrain
    went to work this am. looked under truck and large amount of fuel leaking under truck. looks like comming from back of engine but i cannot find out where from. any help?
  14. 911 Problems Forum
    i just installed my ADII today, not as bad as i thought. fired it up and it is literally PISSING fuel out the return line to go back to the tank. idk how i can fix this right off the top of my head, any body got any ideas that could help me out? :help
  15. 911 Problems Forum
    my buddy just bought an 04.5 LLY. today he started up his truck to let it warm up. when he cam back outside the truck was off. The bleeder valve at the bottom of the filter was loose,and spitting out diesel. His check engine light came on and now the truck is in limp mode. does a bad filter...
  16. 911 Problems Forum
    Ive always taken pride in how clean and oil free my motor and trans are. Not a bit of seapage anywhere and it looks like a 10,000 mile motor. Although its got 190k on it. Well I was changing the trans filters and fluid today and noticed a pretty good oil leak from the front of the engine. There...
  17. 911 Problems Forum
    my tranny line going to my cooler is leaking slowly, but enough where its making a mess all over my a arm and lift kit(the bracket) i was told this would throw my tranny into limp mode, is that why it seems like my trucks not running liek its sopose to? no codes are poping up on my banks or the...
  18. 911 Problems Forum
    Help my tire at highway speeds seems to be jumping up and down like a basketball but I jacked truck up and tryed to move the tire up and down, sie to side but would not budge? Also my front diff is leaking to the point where the oil is dripping penny size drip on ground after a day? The leak is...
  19. 911 Problems Forum
    Help I have a coolant leak on the back of my motor pn the passenger side. It is running down the tranz and the motor i lose the leak just above the exhaust flange on the down tube. I just can not see up there. Looks like the heads are dry any help would be great.
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