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Unread 05-21-2010, 03:00 PM   #1
rkinks35
Registered User
1985 CJ7 
 
Join Date: Jul 2009
Location: Newtown, CT
Posts: 37
Loud Belt Squeeling

So, I went through a new belt the first month after my engine was rebuilt. I keep getting it tightened. It seems like its the belt attached to my alternator because every time I use my high beams and off roading lamps I hear a quick screech. But I killed my battery accidentally after driving the car in the rain and leaving the break lights on. I recharged the battery and now every time Im at 1500 rpms wow that belt screeches like crazy! What should I do its a bran new belt but feels kinda loose. If I have to keep tightening it can somebody show my photos on how to do this? Please help!

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Unread 05-21-2010, 05:10 PM   #2
rednec03
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1981 CJ8 
 
Join Date: Mar 2008
Location: Yuma, AZ
Posts: 31
Take a look at your pulleys while you let the jeep idle, you may have a pulley that may not be seated all the way, like the crank pulley. You may try to pull it off and re seat it. Do you have multiple belts going to the alternator? I have A/C on mine and have two belts going from the crank, water pump, compressor, and alternator, and had a similar squeel. I just pulled one belt off at a time and drove it around the block to figure out which belt was squeeling. You may also try to hit up wal mart and get some belt dressing. It is somewhat sticky, so as it conditions the belt is makes it sticky to have more bite on the pulley.
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Unread 05-22-2010, 09:57 AM   #3
rkinks35
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1985 CJ7 
 
Join Date: Jul 2009
Location: Newtown, CT
Posts: 37
I only have one belt going to the alternator and belt dressing did not help. After examining it, It seems like there is one bolt that possibly holds the alternator in place and to tighten up that belt you have to loosing the alternator and swing it towards the passenger side? Is this correct?
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Unread 05-22-2010, 10:26 AM   #4
sbcranger
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1985 CJ7 
 
Join Date: Mar 2009
Location: long island
Posts: 310
there are two bolts on the alternator, there is the the bolt on top ,the only you probably saw, and the one underneath (for adjustment), kind of a PITA to get to but not terrible. i use a pry bar just to keep tension on the belt while i tighten down the adjustment screw. you may also want to take a look at your pulleys as they may have become polished from the belt slipping on them, try some sandpaper or emery to just knock the sheen off of them.
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Unread 05-22-2010, 10:29 AM   #5
sbcranger
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1985 CJ7 
 
Join Date: Mar 2009
Location: long island
Posts: 310


this is the lower bracket where the adjustment is.
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Unread 05-22-2010, 10:39 AM   #6
rkinks35
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1985 CJ7 
 
Join Date: Jul 2009
Location: Newtown, CT
Posts: 37
Yeah, Thats what I thought! Thanks for the photo to confirm my theory. I greatly appreciate it!
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