Re: Changin an oil pump CAN SHE DO IT :) :(
Burgymi via CarKB.com wrote:
> I have a 1989 Ford Tbird with a 1990 Merc Cougar engine 3.8.
> I just changed the oil pressure switch not the prob still low oil pressure so
> I am goin to attempt the oil pump myself, any suggestions? Is the oil pump a
> no brainer on this car. I work at advance auto parts but I only fix my cars
> when I know I can do it for sure otherwise I have a mechanic, but lately he
> is gettin a lil pricey. So heads up please can I hang????
The pump housing is cast into the timing cover on the 3.8, so yes, it's very doable.
Are you sure you have no oil pressure? Check it with a mechanical oil pressure gauge.
If you truly had NO oil pressure, lots of lifter and rod noise would be evident
followed very shortly by the sound of parts trying to escape the engine. If you
already have these noises, then a new pump would pretty much be useless. There are 2
common issues with this motor that can cause low, or no, oil pressure. One is a broken
pump drive. Remove the distrtibutor to check it. Another is bearing wash. This is
caused by coolant in the oil, usually from current or recent head gasket failure. The
coolant washes the bearing material off of the bearing shells. Verify, inspect, then
determine if the motor is worth saving.