Question about Cars & Trucks
There is no relief valve on the oil pump.
The valve is on a housing near the oil filter
Normal pressure with HOT oil is 15 to 20 PSI at tick over and around 60 PSI when the engine is reved up
Note oil pressure can be as high as 90 psi with engine oil cold and engine reved up
Posted on Dec 12, 2016
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Posted on Jan 02, 2017
the oil pressure switch is on pssenger side, lower engine area,beside oil filter, mounted in engine block. The pressure relief valve is in the oil pump, in which case, you have to drop the oil pan,and take off the oil pump.
Posted on Jan 31, 2009
new oil pump will cure the oil pressure problem but you will have to see if it helps the rattle in the top of motor depending on how much damage it has already caused
Posted on Apr 27, 2009
It sounds like the check valve in the oil pump either has some trash in it or has gone bad. If it's a two wheel drive I don't remember the oil pan being that hard to get off. You can then drop the pickup and oil pump and soak them overnight in some parts cleaner. That may solve the problem, if there's trash in it. But if you're going to go through that much trouble, an oil pump shouldn't be that much I'd just replace it. So the problem doesn't come back. Good luck.
Posted on Jun 01, 2009
The oil pressure relief valve should be on the oil pump.If your oil pressure is ok,have the wiring tested to theswitches or try another set of clocks
Posted on Sep 16, 2009
havent worked on one but if oil pressure light is showing on the gearbox then something is wrong ,either oil is low or the pump has packed up or the pick up pipe filter is blocked .either way what i do know is that seperating the units is a big job requiring specialist equipment which no doubt you know already,
Posted on May 02, 2010
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