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How to change serpentine belt on 2006 buick lacrosse
Start by drawing a diagram of the belt routing. Serpentine belts normaly have 1 spring loaded tensioner (1 pully will have a nut or 3/8 or 1/2 inch drive hole) That will be the tensioner. get spanner or ratchet to fit & lever the tensioner away from the belt. Remove belt. fit new belt to most pullys except the easiest to get to, lever the tenioner back & fit the belt to the last pully, Check the belt is on all pullys properly & your done
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