how do i fix low oil pressure

Asked by Jul 29, 2015 at 01:20 PM about the 1996 Chevrolet Suburban C1500

Question type: Maintenance & Repair

I had a intake manifold gasket replace on a 96' 350 cc resulting in 50% lower oil
pressure...Weird. I had a new oil pump installed. The oil pressure was worse. More
seriously weird. Gauges check out. I get about 25 lbs at 1800 rpm...zero at idling. I have
no bearing or tappet noises

5 Answers

19,755

humm..after the intake ..or same time did you put in the oil pump..pump pickup set right? that top end oil runs thru /past the dist shaft above the geer ...were any gally oil plugs removed ...

I was not told that any galley oil plugs were replaced. Is there any possibility the new oil pump was improperly installed?

19,755

still want to know when and why you changed the oil pump..

16,875

The oil sending unit (sensor for the gauge) could have been messed with and damaged during the intake job. Have you replaced it yet?

19,755

think he said that he check the gauge (another one) same issue...guess he fixed it.

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