A/C and drive belts - JeepForum.com
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post #1 of 3 Old 04-27-2001, 01:59 AM Thread Starter
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A/C and drive belts

I have an '87 YJ, 258 I6, which I beleive has a V belt. There are what seems to be two narrow belts. One spins off the alternator, the other spins on something connected to the fan. Does this sound like a V belt? I know someone that has an '87 YJ Sahara with a serpentine belt and A/C and he is parting out his Jeep.If If I have a V Belt and he has a serpentine how hard would it be to swap his A/C setup into my engine? What else would I need? Is it possible for two '87 258's to have to different belt set ups like that? Any help would be greatly appreciated. Thanks.


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post #2 of 3 Old 04-27-2001, 09:18 AM
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The conversion to a serpentine is not difficult just teedious and time consuming.
All the pulleys have to be changed and in one case I saw an altornator that had to be shimmed for proper alignment. If you go serpentine remember to carry a spare belt with you. And BTW there are idler pullies that have to be installed that is the ****tiest part of the whole conversion.

Once again Jeepless in Seattle
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post #3 of 3 Old 04-27-2001, 12:52 PM
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You might be able to just swap the pulley on the air compressor to v-belt and if you don't have an empty groove to drive the compressor swap the pulley on the alternator or something. Contact Brad Kilby at http://www.onboardair.com He's the guru of onboard air and belts and pulleys and stuff. I know he even has custom pulleys made for some Jeep applications.

Matt Osburn

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