2001 Chevy Silverado Oil Pressure Fluctuation

2001 CHEVROLET SILVERADO
21,600 MILES • V8 • 4WD • AUTOMATIC
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BINSKI
  • MEMBER
  • 1 POST
When my truck idles the oil pressure fluctuates once in a while, all the way to 0. The lifters will start knocking and then I will rev it up and the oil pressure pops back up to 35. So I know the guage is working. I am thinking the pump is bad? Would bad bearings cause a fluctuation like that?
Thanks
Feb 26, 2008 at 4:18 AM
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DENNYP
  • ✓Experienced Mechanic
  • 1,824 POSTS
It could be bad bearings or a pump, or a poorly sealed oil pickup tube.
Feb 26, 2008 at 7:02 AM
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