rear end of the car starts to make a knocking?

2000 HOLDEN COMMODORE
135,000 MILES
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XAVIER5
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my vt 5.7 if im driving for say 1 hr around town and every time i slow down the rear end of the car starts to make a knocking sound every time i slow down ? every time the car gets hot the knocking starts up when i slow down
Mar 15, 2012 at 4:27 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
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Could be an axle bearing or brake problem-open it up and investigate-were not there to hear it-you are our eyes and ears here
Mar 15, 2012 at 4:52 AM
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MHPAUTOS
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  • 31,937 POSTS
  • ASE Certified Mechanic
Check all IRS bolts and drive line as well, many problems with loose bolts and some early rear ends were prone to developing cracks.
Mar 18, 2012 at 10:40 AM
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