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Excessive oil pressure

Tiny
KRAMDOG
  • MEMBER
  • GMC C2500
I have a 92 2500 series GMC truck. When I first start vehicle cold, the oil pressure gage is pined all the way up. After it warms up, the gage reads normal till I excede a certain rpm then it pins high again. Also I am starting to get some seepage of oil from rear seal. Could there be a problem with the pump?
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Thursday, February 22nd, 2007 AT 2:05 PM

1 Reply

Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Excessive crankcase pressure is one culprit, ie: pcv blocked, if you have a way to do it I would do a manual oil pressure test if it checks out ok check the oil pressure sensor, the leak may not be related if the pressure is correct
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Thursday, February 22nd, 2007 AT 2:12 PM

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