No oil on dipstick, oil pressure guage going crazy..recently had oil changed

Asked by Nick Feb 22, 2015 at 11:13 AM about the 1990 GMC Sierra 1500 C1500 SLE Standard Cab SB

Question type: Maintenance & Repair

I had a oil change about 2 months ago.
everything has been running good until
about 2 weeks ago i noticed the oil
pressure guage was bouncing everywhere.
i checked the oil and barely anything
showed up on dipstick. i then added about
a quart and still barely anything on the
dipstick. What is the problem

1 Answer
159,355

Bob answered 9 years ago

Make sure the oil filter is tight an doesn't have 2 gaskets between the filter and the mounting boss. Sometimes the gasket sticks to the mounting boss and then when a new filter is installed a second gasket is installed on top of the original. The engine oil pressure will blow the bottom gasket out causing a big oil leak.

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