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1-12 of 13 Results
  1. General Discussion
    another duramax issue my oil pressure is high and the cap is blowing off it shot oil all over the engine bay what should i do?
  2. 01-04.5 LB7 Duramax Powertrain
    2004 Chevy LB7 25HD - 148k PPEI 5 switch tune and 4" air intake and 4" exhaust. A couple months ago my truck started leaking oil when the back end was parked on a slight incline, thought the oil was thin and coming out of breather so we changed that out. still leaked. then we replaced the...
  3. 04.5-05 LLY Duramax Powertrain
    4.5 2500HD lift pump went out 2 weeks ago, unhooked lift pump and hooked it up stock and truck goes dead on the way home. Changed out motor on fass pump and still no start. Shows high fuel rail pressure code-changed out fuel rail sensor and truck cranked up pretty easy. "thought I had it...
  4. General Discussion
    So I’ve been having oil issues through the past week on my 2013 silverado 2500hd lml I did an oil change and the next day my oil pressure was pinned at 120 with no movement so with the help of the forums I had my oil sending unit replaced then after having that replaced everything seemed fine...
  5. General Discussion
    Just picked up an 06 LBZ, real clean truck that runs great and was well maintained. I noticed that the oil pressure gauge starts to bounce around intermittently on occasion, and the low oil pressure message will come up on the message board. Other than that the truck is running perfectly fine...
  6. General Discussion
    Was driving, truck turned off completely. Went ride side and it was over heated. Most the coolant was blown out of the reservoir. Got the truck cooled down and more water. Started it up and observed no oil pressure and a god awful noise coming for the motor. Also, a lot of oil blown out of the...
  7. Maintenance
    Hey everyone, I am fairly new to the Diesel Game we just bought a 2003 GMC 2500 stock. my girlfriend said the a/c was not working so I finally got around to dealing with it tonight (sort of) I put my gage on it and it says it is fully pressurize. Now my problem it will cycle when it is on...
  8. 01-04.5 LB7 Duramax Powertrain
    What is the operating oil pressure at Idle for the LB7? My oil pressure gauge reads between 30 and 60 at idle, and slightly above 60 once warmed up and at around 1800rpm. A while ago it had a glitch where it would randomly show that I had "0" oil pressure, but I could tell by the way the...
  9. Maintenance
    oil pressure -------------------------------------------------------------------------------- My oil pressure is low , I was logging on to post my readings: 95 deg idle 700rpm 29psi (oil) using Delo 400 15W-40 (Dealer changed) 96 deg 1500rpm 60 mph 38psi (oil) 190 (TranTemp) 200 (Temp) 93...
  10. 911 Problems Forum
    My wife has a 2004 Duramax and it shows no oil pressure once in a while when she is driving. She gets no warning lights or buzzers sounding when this happens. Does the Duramax have a shutdown switch if the oil pressure gets to low? Her oil level is fine and was just changed about 1000 miles...
  11. 911 Problems Forum
    :help:help02 duramax pulling boat loss of oil presure down to 20lbs and blowing it out the blow by tube on front of engine broken some thing slight loss of power about 96000 miles :confused:
  12. Maintenance
    whats it suppose to sit at cruisin down the road
1-12 of 13 Results