Alan Calder, [http://www.paulstravelpictures.com/GM-Pontiac-Grand-Prix-Serpentine-Belt-Replacement-Guide/index.html|here is] a good guide.
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Alan Calder, [http://www.paulstravelpictures.com/GM-Pontiac-Grand-Prix-Serpentine-Belt-Replacement-Guide/index.html|here is] a good guide. The service manual says "DRIVE BELT REPLACEMENT
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Removal Procedure
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1. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General
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Information.
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2. Remove the front fender liner. Refer to FRONT FENDER LINER REPLACEMENT .
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3. Rotate the drive belt tensioner counterclockwise to release the spring tension.