Question about 2001 Jeep Grand Cherokee

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The gen. pulley wont turn truck turns off when idling

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You mean the alternator pulley won't rotate?

If so, the battery is dying because there's no alternator to keep it charged up, so there's no electricity to keep the computer and spark plugs working, and the engine then dies.

An alternator pulley that won't rotate means the bearings inside the alternator have frozen up solid.

The only fix is a new alternator, and probably a new belt. You might need a new battery too, if the battery has been discharged too much and damaged.

Posted on Dec 31, 2010


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The v belt wont turn on my 93 ford tempo

If the pulleys are turning, then how are they doing so without the belt turning them? Do you mean the pulleys are free and you can turn them by hand? If so then either the tensioner pulley isn't providing tension to the belt or the idler pulley has spun off and might be missing.

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How to replace the alternator on a 2003 Mazda MPV

Disconnect the battery at the positive terminal by turning the bolt counterclockwise. Disconnect the alternator's terminal by turning the nut counterclockwise and removing the loop from the terminal bolt. Store these connectors away from the battery.

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How do you remove/replace the AC belt? There are a lot how to's for serpentine replacement but none that tell you how to remove the AC belt which has to come off first.

loosen the center bolt of the a/c idle pulley, then on top of pulley you will see the adjusting bolt, turn to loosen to remove belt, after new belt , tighten to where you have 1/2 play on elt then tighten center nut of pulley

Feb 04, 2010 | 2000 Dodge Caravan

1 Answer

Pulley wont turn

I believe the pulley below that is for you A/C compressor, which also has a clutch on it that will only turn when the ac is turned on, but the inside pulley should always spin. If the ac clutch doesn't turn on with the ac turned on then you may need to get it spaced. any more questions just email me on this site.

Oct 06, 2009 | 2001 Toyota Avalon

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Need to adjust the fan belts

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How do I tighten the ac belt on my 94 isuzu pickup?

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My toyota echo the engine squeels especially when I turn on the ac i replaced all the belts

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Change serpentine belt and tension pulley and idle pulley and

could be the alternator, water pump
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another trick is to take a can of wd40 or equivalent and spray the bearings 1 at a time till the noise goes away or quiets down

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1 Answer

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1.Your engine has an internal timing chain, not a belt.
Therefore I'm going to assume that you mean the serpentine drive belt.
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One of the pulleys is not turning. Could be AC, alternator, or one of the idler pulleys.Take a careful look with a good light. My bet is the idler pulley.

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