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.

Remove the belt by pressing on the tension pulley arm firmly, then sliding the belt form underneath the idle pulley wheel. Release the tension pulley and the belt will slacken; it can then be removed from the alternator pulley wheel.

Remove the alternator by turning the mount bolts counterclockwise, then sliding them out of the mount arms. Some models may have mount bolt heads that must be held in place with a wrench while turning the nut. With the mounts free, the alternator can be exchanged for a new unit. Position the new alternator into the mount arms and slide the mount bolts into place, locking them down with the nuts turned clockwise.

Wrap the drive belt around the alternator pulley wheel (groove side down), then press the tension pulley arm and slide the belt back under the idle pulley wheel. Release the tension arm and the belt will automatically adjust to the proper tension.

Reconnect the alternator's terminal loop by placing it over the bolt and turning the nut clockwise. Connect the battery by turning the positive terminal bolt clockwise.

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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

1 Answer

Need to adjust the fan belts


Which one? The A/C belt is adjusted from the top. Loosen the bolt that goes through the Idle pulley then turn the adjusting bolt next to the pulley to tighten or loosen. Retighten the Idle pulley bolt once adjusted. The Power Steering belt procedure is pretty much the same but has to be done from under the car. The alternator belt is similar but there is no Idle pulley. You loosen the alternator bolts and turn the adjusting bolt. Then retighten the alternator when done.

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1 Answer

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


Undo nut on idle pulley and then turn the adjustment screw and re-tighten nut on idle pulley

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


replace ac pulley bearings or grease them if not that take all belts off see what pulley is harder to turn by hand and replace but you dont try turn crank pulley i think ac compressor bearings are going or pulleys not alined

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1 Answer

Change serpentine belt and tension pulley and idle pulley and


could be the alternator, water pump
take the belt and spin all the pulleys and listen for noise and make sure they turn smoothly
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.
Common causes for belt to fail is either a mis-aligned or damaged pulley, improper belt tension, or bad tensioner spring (if equipped with spring loaded tensioner) You mentioned a loose pulley but didn't say which one! That's what I'd look at first! Also, make sure that all pulleys have no "wobble" indicating a bad pulley bearing Most common: water pump or idler pulley.

Dec 30, 2008 | 1999 Jeep Cherokee

1 Answer

Loud rattling-screeching sound thought was belt but belt looks fine- not constant- worse when idling or just turning on. 2004 zx3 hatchback.


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.

Aug 03, 2008 | 2000 Ford Focus

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