knocking from the bottom half of the motor

1999 CHEVROLET SILVERADO
220,500 MILES
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BRANDICARLBENNETT
  • MEMBER
  • 1 POST
And it sounds like it coming from the back half of the motor maybe a crack flywheel. Can you send send some insight on this matter
Aug 12, 2012 at 9:18 PM
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CAROLINACARCONNECTION
  • ✓Experienced Mechanic
  • 66 POSTS
well the easy thing to check would be remove the splash shield on the tranny and check it out.. could also be the harmonic balancer
Aug 12, 2012 at 9:40 PM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
How does the noise sound like?
Is it related to engine rpm?
Does engaging gears make any difference?
Aug 13, 2012 at 5:40 AM
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