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Old 07-02-2007, 09:01 AM   #1 (permalink)
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I have a 1992 Vulcan with an A/C compressor clutch bearing that is going bad (noise and smoke). My problem is a bad back that prevents me from attacking the problem immediately.

Can I get a Serpentine belt for the application WITHOUT the A/C compressor and bypass the compressor until I feel good enough to replace the A/C compressor pulley? This belt is about 4 inches shorter that a belt for a car WITH A/C.

Thanks.
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Old 07-02-2007, 09:48 AM   #2 (permalink)
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As long as the geometry is correct which it looks like it is from the picture I have. You will probably have to get a few and try them to see what one fits.
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Old 07-02-2007, 10:11 AM   #3 (permalink)
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Autozone has a belt (672K6) that is approx 3 inches shorter than the one for cars w/A/C (705K6). You should be able to route the 672K6 belt according to the VECI label (w/o AC). You may have interference issues with the A/C compressor, though.

I just put a set of Duralast belts on my 92 this past weekend. PITA...
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Old 07-02-2007, 10:22 AM   #4 (permalink)
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I saw that belt at AutoZone as well. I was also concerned about whether it would clear the compressor.

Maybe somehow who has actually tried this will post a reply.

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Old 07-02-2007, 11:08 AM   #5 (permalink)
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You might also consider an A/C bypass pullery. It's made by Dorman and fit in place of your compressor. Has the correct size pulley on the front so you can use the same belt and belt patter. They cost about $30
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Old 07-02-2007, 11:11 AM   #6 (permalink)
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Thanks, Rick. I have seen those bypass pulleys. I plan to fix the A/C system as soon as my back gets better. I was just looking for a quick fix without having the reclaim the R-12 until I was ready to replace the clutch.
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Old 07-02-2007, 03:44 PM   #7 (permalink)
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I tried the AutoZone 672K6 belt. It fit perfectly. Only one problem: it had to go by the A/C pulley. It actually touched the pulley. If the A/C pulley had been OK, there would have been no problem, but since it was about to sieze, I didn't want to chance the pulley siezing and shredding the belt. This car is driven about 65 miles a day at highway speeds.

Thanks for you help.
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Old 07-03-2007, 06:43 AM   #8 (permalink)
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I wonder if there's any way to loosen the A/C compressor mounting bolts and scoot it away from the belt more so it won't touch.....
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Old 07-03-2007, 01:35 PM   #9 (permalink)
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Roger,

I tought about trying that and even loosened one of the bolts, but I can't get the bolts all the way out while the compressor is in place (The radiator is in the way). Also, I don't know it there is a boss on the engine block that might prohibit the rotation of the compressor.

If my back is better tomorrow, I might try removing three bolts and leaving one to hold the compressor up.

Do you think one bolt would be adequate to hold the compressor? Based on how the compressor is constructed, do you think holding it on with one bolt could warp the housing causing leaks? The compressor is only 3 years old and I'd hate to lose it prematurely.
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Old 07-03-2007, 04:50 PM   #10 (permalink)
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Quote:
Roger,

I tought about trying that and even loosened one of the bolts, but I can't get the bolts all the way out while the compressor is in place (The radiator is in the way). Also, I don't know it there is a boss on the engine block that might prohibit the rotation of the compressor.

If my back is better tomorrow, I might try removing three bolts and leaving one to hold the compressor up.

Do you think one bolt would be adequate to hold the compressor? Based on how the compressor is constructed, do you think holding it on with one bolt could warp the housing causing leaks? The compressor is only 3 years old and I'd hate to lose it prematurely.
[/b]

Yeah I just took a look at my car and I don't think you can rotate it out of the way safely. If the belt is touching the A/C pulley (lightly enough so that its not rotating the pulley). Then you might be able to put some duct tape or something on the pulley itself so the grooves don't cut the belt. As long as you don't drive it for a long time, then you should be OK..

good luck
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