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1998 GMC Sierra Oil Pump

Tiny
ANNWNN50ANNWNN50
  • MEMBER
  • 1998 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 100,100 MILES
Is it my oil pump or the oil sending unit? My truck oil gauge is showing that my oil pump is not working properly. It went from 80 lbs down to just above 40 lbs of pressure and at times it seemed it was stuck there. The service engine soon light is on. My main concern is the price of replacement.
How much labor does it take to replace the oil pump?
Thank you
Maggie
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Saturday, March 20th, 2010 AT 11:22 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Maggie:
When the pressure drops, do you ever hear a knocking or ticking from the engine? I not, replace the oil sending unit. THe part is cheap and easy to replace.

Let me know if you have other questions.

Joe
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Saturday, April 3rd, 2010 AT 4:17 PM

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