HOW DO I DIAGNOSE OILPUMP FAILURE ON 4

  • Tiny
  • franking321
  • 2003 Chevrolet Express
  • 74,975 miles

How do I diagnose oilpump failure on 4.3 2003 chev. Express van

Tuesday, March 5th, 2013 AT 2:04 AM

2 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Put a manual gauge on the oil side to see actual pressure. Let us know the results.

Roy

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Tuesday, March 5th, 2013 AT 2:14 AM
  • Tiny
  • franking321
  • Member

Tapping and knocking lossing oil low 20's

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Tuesday, March 5th, 2013 AT 11:51 AM

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