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  #13  
Old 05-17-2012, 05:54 PM
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Re: 2000 jeep grand cherokee no oil pressure when warm

Well, today i bought a napa gold oil filter, i changed the oil again for the sixth time, i test drove the vehicle after a 20 minute drive the oil pressure was holding around 35 psi at stop signs and red lights, until i stopped to get a soda, when i started it back up the oil pressure rose just enough for the check gages light to go off, i drove another 10 minutes on back roads starting and stopping pressure was low around 10 psi but no check gages light, so i stopped by a friends house for about 10 minutes, when i started it back up, no oil pressure the check gages light would not go off, so i started easing back home, at about 2000 rpm the check gages light would go off then come back on, the closer i got to home the more the check gages light would come on until about 2 miles from home it just stayed on.
Still there is no engine noises, no lifters tapping, just a smooth running engine, its like the more it runs the thinner the oil gets, the lower the oil pressure, its like the pressure relief spring gets hot and gets weak and loses tension, i checked tempature of the engine at the oil filter with a tempature gun temp is 175 degrees, it seems that if the problem were worn bearings the pressures would be consistanly low
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Old 08-17-2012, 04:29 PM
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Re: 2000 jeep grand cherokee no oil pressure when warm

Did you ever solve your problem? I have similar issues.
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