!!!Lose of oil pressure after cam swap
04-28-2018, 06:43 PM
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!!!Lose of oil pressure after cam swap
So I have a 04 avalanche with the 5.3 I did a stage 2 btr cam and have lost all oil pressure at idle. What is going on? Is it the cam bearings? Will it come back if I put the stock cam back in? Before the install I had good pressure. I have checked the pick up o ring. I changed the pump. New pan gasket. And checked it with a oil gauge. I have been told that it is probably the cam bearings. What do I do?
04-28-2018, 06:54 PM
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Replaced the plate gasket 2 days ago with the pump. Same problem
04-29-2018, 06:36 PM
#6
It’s not cam bearings. I didn’t know you could get a gasket for retainer plate? I replaced my cam retainer plate. That’s what was causing mine to not get pressure when prelubing engine. The oil pump o ring is probably the issue.
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04-30-2018, 03:27 PM
#9
Ask crashmymax what to check. Lol
seriously, check the backing plate oring or just replace it....it’s cheap.
You mentioned you replaced the pump? Did you preprime it? There is a plug on the side of the motor just for this. YouTube it.
Correct oring on the dipstick tube?
Did you mess with the galley plug to the right of the pump? Crashmymax’s builder did this to him. Check it.
No reason to check the barbell unless you pulled it out through the front of the engine, but then you would have bigger issues.
seriously, check the backing plate oring or just replace it....it’s cheap.
You mentioned you replaced the pump? Did you preprime it? There is a plug on the side of the motor just for this. YouTube it.
Correct oring on the dipstick tube?
Did you mess with the galley plug to the right of the pump? Crashmymax’s builder did this to him. Check it.
No reason to check the barbell unless you pulled it out through the front of the engine, but then you would have bigger issues.
05-02-2018, 12:59 AM
#10
Honestly man the pickup tube oring, faulty oil pump, or camshaft retainer plate makes the most sense. If all you did was a cam swap and install a new oil pump, and you had good oil pressure before the cam swap, then it’s gotta be one of those three things! Cam bearings don’t go bad from a cam swap, unless you knocked one out when you installed the new cam! Lol
what oil pump did you use?
do you have a micrometer? Hell I’d check the measurements on my stock cam circle and compare the measurements with the measurements off the cam you put in, maybe something got dicked up on the overall diameter of the circles thatvride on the cam bearings on the new cam you installed? Long shot, but I’d measure them!
what oil pump did you use?
do you have a micrometer? Hell I’d check the measurements on my stock cam circle and compare the measurements with the measurements off the cam you put in, maybe something got dicked up on the overall diameter of the circles thatvride on the cam bearings on the new cam you installed? Long shot, but I’d measure them!
Last edited by B00sted2007; 05-02-2018 at 01:07 AM.
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