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Place a 3/8 drive racthet in the square itting on the tensioner assembly - push to the left (towards passenger compartment). The serpentine belt is now loose and can be removed. To remove the tensioner - loosen the retaining bolt located in the center of the tensioner mount assembly - use a 15 mm socket turn CCW - until it comes out .. When re-installing take notice of the PIN and the SLOT on the mount against the Engine - the pin fits into the slot.. I found that my rachet head would not fit into the narrow space. I used the 3/8" breaker bar that came with socket set that I rarely use. I also used a piece of 3/4" copper pipe (or whatever fits over the handle) to leverage the tensioner easier and allow my free hand to work the belt off the alternator.

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โˆ™ 2009-01-25 19:35:07
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Q: How do you loosen the belt tensioner on a Chevy Malibu?
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