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03 avalanche​ making clunking noise

Toolshed

New Member
Joined
May 20, 2017
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1
When driving the avalanche and coming to a stop, the truck makes a loud clunk noise.  Makes the same noise when shifting from park to drive to reverse.  I jacked it up and put it in neutral.  The passenger side rear tire spins and the drive shaft does too.  The driver's side doesn't .  When in park, the drive shaft moves a little and has some play but the u joints seem to be solid.... Any ideas?
 
A couple things you can try.

Take a good look at the seals on your U-joint

See how much play in and out is there on your pinion gear.
 
Is it a 4x4?

Check slip joint, rear end & loose suspension parts.
 
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