2005 Chevrolet Trailblazer



October, 31, 2008 AT 12:14 PM

Noises problem
2005 Chevy Trailblazer 6 cyl Four Wheel Drive Automatic 41000 miles

I have a trailblazer, and every time I accelerate it sounds like a cat dying. When I popped the hood I found out that the noise is coming, probably coming, from a belt of some sort. How much do timing belts, or fan belts cost? Are they hard to replace?


1 Answer



October, 31, 2008 AT 9:08 PM


Based off of what you are describing it is the serpentine belt that is slipping. You can get these at AutoZone or O'Reillys for about $32.00. You can go OEM for about $50. I would go with AZ or OR myself.

I would first replace the belt and see if that works. Once you have the belt off check the pullies for smooth operation, no binding or rough spin. Perform a good visual on your idler pulley. This has a spring and can wear out and not keep tension on the belt anymore.

The cost of replacing that can be from $18 to $99.

I don't know your mechanical ability but I feel you could do this. I have attached the directions for you.

Drive Belt Replacement

Removal Procedure

Install 3/8 inch breaker bar on the drive belt tensioner arm and turn the breaker bar clockwise enough to relieve the tension on the drive belt.

Remove the drive belt.
Release the tension on the tensioner arm.
Installation Procedure

Route the drive belt over all the pulleys except the drive belt tensioner pulley.
Install the 3/8 inch breaker bar on the drive belt tensioner arm and turn the breaker bar clockwise.
Install the drive belt over the drive belt tensioner pulley.
Slowly release the tension to the drive belt tensioner arm.
Inspect for proper installation of the drive belt on the pulleys.

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