Serpentine Belts
Chevy Silverado
Oldsmobile Intrigue
Ford Escort ZX2

How do you release the tension on the serpentine belt for a 1999 Olds Intrigue with a 3.8 L engine?

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2011-09-13 06:12:05
2011-09-13 06:12:05


There is a belt tensioner pulley that is spring loaded and applies pressure on the back side of the belt, should easily be identified, a crescent wrench on the top outside part (of some pulleys) will allow you to move the pulley (in one direction only) and release the tension, other pulleys require a large hex wrench (Allen wrench) be inserted into the end of the pully to move it. Hope this helps


You should be able to find a shop manual at your local library with the right info...make copies as they are usually only in the REFERENCE section....good luck:)

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The zd30 has a hydraulic tensioner using an idler pulley to automatically tension the serpentine belt.

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If it is a drive belt and not a serpentine belt is has no tensioner. You manually adjust the tension by normally adjusting tension by moving the alternator. Loosen to bolts holding the alternator in place and then adjust the tension. Tighten the bolts when the tension is right. If it is serpentine belt if you follow the belt around the the engine you will see the tensioner.

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A serpentine belt on an engine is held in place by a pulley that maintains the proper tension on the belt. This pulley can be pulled up to release the tension on the belt. Do not pull the pulley out, but gently up or you'll risk damaging it.

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Assuming you have a serpentine belt on that 3.3L engine, the tension on the alternator would be controlled by the idler (tension) pulley. The alternator is stationary.

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Look in the engine compartment for the "serpentine belt" path & tensioner diagram. Release the belt tension at the tensioner, remove & reverse operation.

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