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Old 05-13-2008, 09:19 PM   #1
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Aftermaket a/c install

So I decided to install a complete aftermarket a/c kit from Jeep Air. The kit was nice, missing some fasteners, but overall worked ok. I am having an issue now with the belt squeaking when you rev the engine or engage the clutch on the a/c. I noticed that there is alot of slack in the belt supplied with the kit. This has to be the issue as serpentine belts have to be tight. There is not a tensioner on the engine.
So my question, is there an tensioner that I can place on the system somewhere or just try a shorter belt? The engine in the 92 Jeep is the 4.0L and I am open to all suggestions.

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Old 05-13-2008, 09:23 PM   #2
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got pics?? might just need smaller belt, but how is the a/c belt tensioned?? can you tighten it more, or is it maxed out?

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Old 05-13-2008, 09:49 PM   #3
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I don't have any pics right now.
The tension is set just by tightening (pulling by hand) the alternator to the one fixed bolt position and that is it.
The kit came with another idler to add into the system but it didn't help with the tension as far as I can tell.
I will go take some pics and post, not sure how, but I will figure it out.
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Old 05-13-2008, 09:52 PM   #4
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pics would help. sometimes you need a pry bar to put a little extra tension on there.
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Old 05-13-2008, 11:30 PM   #5
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Here are the pics. I want to try the shorter belt, and I will have to use a pry bar to tighten it.
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Old 05-14-2008, 08:17 AM   #6
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ahh, it is using one serpentine belt. i was picturing a second belt for add on. it doesn't have a threaded tensioner??

try the pry bar and see what happens. good luck
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Old 05-14-2008, 10:03 PM   #7
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My Jeep is a 94. The belt tension is adjusted at the powersteering pump. Its a pain in the arse. But its the same through the 99 models. You have to loosen several bolts and then adjust it with the long bolt. Which way to turn the bolt is always confusing to me.

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Old 05-14-2008, 10:04 PM   #8
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My Jeep is a 94. The belt tension is adjusted at the powersteering pump. Its a pain in the arse. But its the same through the 99 models. You have to loosen several bolts and then adjust it with the long bolt. Which way to turn the bolt is always confusing to me.

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Old 05-15-2008, 12:28 PM   #9
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Old 05-17-2008, 10:49 PM   #10
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Thanks for the update, I will take a look at the p/s pump.
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Old 05-18-2008, 10:21 AM   #11
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Update:
The p/s pump was the trick, no more squeak. Learn something new everyday. Thanks for the help.

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