engine rebuild No OIL Pressure
#11
Launching!
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Join Date: Aug 2006
Location: Washington
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Front diff is super easy to pull on these trucks, i can have them on the ground in 20mins or less. Ive done it 3 times now with this 08 burban i picked up for the wife.
All of the truck motors ive been into have always been the tapered pickup tube(green oring).
Prefill the oil filter and start it up, let it run for 15 seconds and see if oil pressure comes up. If you still dont at 15 seconds then obviously your gonna have to dig into it and figure out your issue. Is this a aluminum block? If so what oil pump you running? A older (06 and older) standard 5.3 oil pump doesnt work very well with the 07 and newer aluminum engines like in this burban, 35ish psi on a cold start and like 13psi at a warm idle is what i found out the hard way.
I didnt see a post back about what valley cover your running, if the oil ports arent plugged for the afm system down in the valley your going to end up with low or no oil pressure.
All of the truck motors ive been into have always been the tapered pickup tube(green oring).
Prefill the oil filter and start it up, let it run for 15 seconds and see if oil pressure comes up. If you still dont at 15 seconds then obviously your gonna have to dig into it and figure out your issue. Is this a aluminum block? If so what oil pump you running? A older (06 and older) standard 5.3 oil pump doesnt work very well with the 07 and newer aluminum engines like in this burban, 35ish psi on a cold start and like 13psi at a warm idle is what i found out the hard way.
I didnt see a post back about what valley cover your running, if the oil ports arent plugged for the afm system down in the valley your going to end up with low or no oil pressure.
#12
The correct DOD delete kit was used. I have no idea what pump the machine shop used. It is an aluminum block lc9. The truck will not run for more then 1 or 2 seconds then dies and backfires loud as a gun shot.
If the barbell is missing would I have been able to build pressure while pre oiling? With a hand pump I can get 10psi.
If the barbell is missing would I have been able to build pressure while pre oiling? With a hand pump I can get 10psi.
#13
On The Tree
iTrader: (8)
If the barbell is missing you will get no oil pressure...I've found this out the hard way when I had an engine rebuilt. Also if the transmission is already installed, then you will have to pull it in order to get to the back cover of the engine. There will be a hole for the barbell...Nothing like a cheap $7 part to cause a fun problem.
Last edited by 5.0 Eater; 04-09-2018 at 04:45 PM. Reason: missing words
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richey (03-24-2023)