Having problems with your 2004 Chevrolet TrailBlazer ?
How do you change the serpentine belt on a 2004 Trailblazer?
Note the drive belt routing, usually there is a sticker under the hood with the routing. using the right socket and a breaker bar, rotate the drive belt tensioner clockwise to relieve tension. remove belt and slowly release breaker bar tesnsion. for V8, Install on all pulleys except generator, loosen tension and install on generator. for 4.2L install belt over all pulleys except tensioner, relieve tension and install over tensioner, slowly release breaker bar tension.
Repair Help & Product Troubleshooting for 2004 Chevrolet TrailBlazer
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