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Old 05-16-2004, 01:44 AM
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GMMerlin GMMerlin is offline
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Re: Re: ok, i need some help now

Quote:
Originally Posted by perna00
so i take it i should probably get the high volume pump? also merlin, could i use an oil pressure test to check to see if it rules out the 1st service bulletin you posted?
Thats what the bulletin states
DIAGNOSIS:

IF THE VEHICLE EXHIBITS ANY OF THE ABOVE CONDITIONS, INSTALL AN OIL PRESSURE GAUGE CALIBRATED TO READ AT LEAST 1034 KPA (150 PSI) IN THE OIL PRESSURE PORT ON THE INTAKE CAMSHAFT CARRIER AND OBSERVE OIL PRESSURE AT 3000 RPM. THE OIL PRESSURE, EVEN IN EXTREME COLD, SHOULD NOT EXCEED 689 KPA (100 PSI). WITH THE ENGINE OIL AT OPERATING TEMPERATURE, OIL PRESSURE SHOULD NOT EXCEED 586 KPA (85 PSI). AT 3000 RPM
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