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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Moving on from the brakes to the oil pressure guage....
You could have a faulty oil pressure sender. It is attached to the oil cooler.
First clean the contacts on the sender. Be careful-, the posts are hollow and brittle. Very easy to break off. Locally a sender can cost $50 or more.
Check the wire to the sender. It lays over the top of the WP water pump and the sheilding gets brittle and cracks. It may be shorting on the engine block.
Replacing the sender may solve the problem.
Another possibility would be the "O" rings on the OPRV oil pressure relive valve. If they are hard and brittle it would cause a fluctuation on the dash guage. Order the "O" rings and replace. No alignment tool is needed if you do not move the OPRV housing. Get the aluminum crush washers for the OPRV and the drain nut at the same time.
GL
John
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo)
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