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Best Answer

Super easy!

Step 1: Get the idler pulley from autozone for $18 bucks

Step 2: Loosen the serpentine belt by turning down the tensioner (to your bottom left); you should be able to do this with your hands...no tool required.

Step 3: Take off the S. belt

Step 4: Use a 18 mm wrench to turn the idler pulley's center bolt.

Step 5: Replace the Idler pulley

Step 6: Replace the S. belt

Step 7: Push the tensioner back into th eup position to tighten then S. belt.

This should take you 13 minutes going slow...

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13y ago
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Q: Change or replace the 2006 Chevy Trailblazer idler pulley?
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