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Knocking from the bottom half of the motor

Tiny
BRANDICARLBENNETT
  • MEMBER
  • 1999 CHEVROLET SILVERADO
  • 220,500 MILES
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
Monday, August 13th, 2012 AT 4:18 AM

2 Replies

Tiny
CAROLINACARCONNECTION
  • 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
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Monday, August 13th, 2012 AT 4:40 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
How does the noise sound like?
Is it related to engine rpm?
Does engaging gears make any difference?
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Monday, August 13th, 2012 AT 12:40 PM

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