Question about Jeep Grand Cherokee
I started my 2000 Jeep Grand Cherokee up this morning and heard a rattling noise and the oil pressure gauge read high (80). When I accelerate in neutral, the noise increases and when I accelerate in drive, the oil pressure floats from 40 to 80 which hasnt happened in the past. Not sure if the oil pump is going bad or what. Due for an oil change so I would plan on replacing the pump when I change the oil, if that is a possibility. The noise is what is confusing. Maybe 2 different issues?
Sounds like dirty oil clogged the oil pressure relief valve to me.
its stuck fast closed. bad deal that.
no engine option stated, so dont expect , accurate answers.
Posted on Mar 26, 2014
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Posted on Jan 02, 2017
Replace the oil pressure sending unit its giveing a false reading . The problem is when the engine is cold the oil pressure is low and it takes a little time to build up whem cranking the engine and that sends a signal to the computer PCM /VCM what ever but your 40 to 60 lbs oil pressure is graet its ideal .The unit switches when the oil pressure is high enough to trip the switch inside the sending unit and that is sent to the vehicle control module
Posted on Feb 05, 2011
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