1991 Ford F-250 Oil Pump

Tiny
TOEMOSS
  • MEMBER
  • 1991 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
1. How I determine if the oil pump is faulty?

2. If it is faulty, what are the steps to remove and replace the oil pump?
Wednesday, May 28th, 2008 AT 1:50 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Unscrew the oil sening unit near the filter, and screw in a pressure test gauge, take the readings at Idle you will have on a warm engine, about 10psi, raise engine speed to 2000 RPM, reading should be 40-60 psi, if it's too low, or too high, further work is in order.
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Wednesday, May 28th, 2008 AT 1:55 PM

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