I CHANGED THE OIL PUMP ON MY 1987 S10 PICKUP AND...

1987 Chevrolet Astro

Tiny

Saylorhunt

November, 16, 2012 AT 6:23 PM

I changed the oil pump on my 1987 s10 pickup and my oil light is still on and it still is knocking

1 Answer

Tiny

caradiodoc

November, 16, 2012 AT 7:31 PM

Knocking while running is a sign of excessive clearance in the bearings. Excessive clearance prevents oil pressure from building up because the oil runs out through the bearings too quickly. A new pump won't build pressure any faster. It's the bearings and crank shaft you have to look at.

Please login or register to post a reply.

Engine Oil Change and Filter Mercedes