loud knocking noise

1993 NISSAN PATHFINDER
35,000 MILES
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RON1374
  • MEMBER
  • 8 POSTS
engine starts but has a very loud knocking sound could it possibly be the crank shaft bearings ?
Aug 8, 2011 at 5:12 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Could well be bearings, get the oil pressure tested with a mechanical gauge first.
Aug 8, 2011 at 7:53 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Get the oil pressure tested first, use a mechanical gauge.
Aug 8, 2011 at 8:00 PM
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