Question about 1994 Jeep Grand Cherokee

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I purchased a 94 JGC built in North America for the overseas market from Japan. 110,000K - Belt tension pulley broke and I had to replace it with a new one. Since we were in the middle of nowhere, the shop had a belt that was 1/2 inch smaller, so we had no choice. Mechanic said it was OK and got us back on the road. A friend says he thinks the belt is too tight and might be putting extra strain on water pump, AC unit etc. Should I replace it?? Any thoughts on this?? Thanks PL

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If you can move the adjuster and create slack in the belt, you'd be ok. the vehicle should have a self adjuster and as long as it can move your good

Posted on Jul 31, 2010

Testimonial: "Thnx! You have no idea how greatly comments like yours are appreciated especially by someone like me who is all thumbs mechanically. PL"

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Well to tell if the belt is to tight find the longest spot in the belt that isnt touching any pulley and in the pulley see if u can move the belt around a half inch or so, if u cant move the belt any then yes it is too tight if it moves too far then the belt is loose, good luck

Posted on Jul 30, 2010

Testimonial: "Thank You - the belt is definitely too tight so I will have to get the tension pulley adjusted. Your advice is much appreciated. PL"


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1 Answer

How change belt on aerio 2006

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there are these engines used.
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Hello emissionwiz it looks that you know about this vehicle. I just purchased a Daewoo Lanos 2001. They advised me that the timing belt broke and that the tension pulley broke. I went to a u pull yard and...

if the timming belt broke when the engine was running most of the time the valves get bent and leak (head off repair) you could check this once you have replaced the belt before you start remove rocker cover and check for gaps between cam lobe and valve bucket when lobe is not pushing bucket down if there is a gap valve is bent.
these vehicles came out with a single cam or twin cam engine also so which one have you got?
valves bent on both engines when belt broke while running

on single cam engines you lock the tensioner with pin and loosen water pump and turn to obtain correct belt tension then release lock pin in tensioner and check that marks on tensioner align up if not turn water pump to get correct. some times this then causes the seal on the water pump to fail if its been there for some time because they corrode in block and its only a "O" ring so you might need a waterpump and "O" ring and coolant use grease on waterpump and "O" ring to make sealing and turning if needed eazier.

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1.Most modern cars have an IDLER pulley in the fan belt train of pulleys with a heavy spring on it that keeps tension on the timing belt.

2. Get a spanner/socket and put it on the nut in the middle of the idler pulley.

3.heave on the spannner and the pulley will swing up/down out of the way realeasing tension on the belt. (depending on the tensioner setup)

4. Simply remove old belt and thread new belt on. Simple.

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