Mechanics

GMC SONOMA ENGINE PROBLEM

1996 GMC Sonoma

Engine Mechanical problem
1996 GMC Sonoma Two Wheel Drive Automatic

1996 Sanoma has low oil pressure, starts at about 40psi, as the engine temp rises the oil pressure drops to about 5psi. I replaced the oil pump, it raised the starting pressure but nothing else.
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Oldfart52768
September 26, 2010.



Worn cam bearings most likely and crank bearings. What is milage?

Docfixit
Sep 26, 2010.