10-29-2006, 08:59 PM
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#1
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AF Newbie
Join Date: Oct 2006
Location: La Crescent, Minnesota
Posts: 3
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a/c problems
My 95 lumina is making a noise i think it is comeing from the ac compressor. it sounds like it is draging or something. has anyone had this before and how can i fix it because it is really annoying. in advance thanks for your help
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10-30-2006, 02:30 AM
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#2
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Lactose the Intolerant
Join Date: Aug 2004
Location: Arnold, Missouri
Posts: 5,795
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Re: a/c problems
Take the belt off and verify that's the rumble you hear, then you'll have to replace the bearing or the compressor....Does the A/C work?
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10-30-2006, 09:56 PM
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#3
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AF Newbie
Join Date: Oct 2006
Location: La Crescent, Minnesota
Posts: 3
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Re: a/c problems
i think the ac works but it is too cold to really know for sure. when the ac compressor is engaged the noise goes away. any ideas???
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10-30-2006, 10:20 PM
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#4
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AF Regular
Join Date: Aug 2006
Location: McLean, Virginia
Posts: 179
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Re: a/c problems
If nothing else is connected to a/c belt, then it is most probably compressor
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11-01-2006, 04:27 AM
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#5
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Lactose the Intolerant
Join Date: Aug 2004
Location: Arnold, Missouri
Posts: 5,795
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Re: a/c problems
Quote:
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Originally Posted by ditchrunner
i think the ac works but it is too cold to really know for sure. when the ac compressor is engaged the noise goes away. any ideas???
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Sounds like the compressor clutch is falling apart.
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11-02-2006, 09:39 AM
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#6
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parts monkey slayer
Join Date: Aug 2004
Location: Flint, Michigan
Posts: 9,146
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Re: a/c problems
I agree with Jeff, it sounds like a compressor pulley bearing is going. When you engage the a/c, the comressor coil engages the clutch, and the bearing quiets down (the bearing is only under load when the compressor is off and free-wheeling). If you don't have the money for a new compressor, and you don't use your a/c, you can buy a bypass pulley kit from Dorman for about $30-$40. You cannot re-route the belt to eliminate the compressor without causing the water pump to turn backwards on your year Lumina, so you'll either have to replace the compressor, or put a bypass pulley in it's place.
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11-02-2006, 02:23 PM
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#7
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Lactose the Intolerant
Join Date: Aug 2004
Location: Arnold, Missouri
Posts: 5,795
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Re: a/c problems
Quote:
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Originally Posted by richtazz
I agree with Jeff, it sounds like a compressor pulley bearing is going. When you engage the a/c, the comressor coil engages the clutch, and the bearing quiets down (the bearing is only under load when the compressor is off and free-wheeling). If you don't have the money for a new compressor, and you don't use your a/c, you can buy a bypass pulley kit from Dorman for about $30-$40. You cannot re-route the belt to eliminate the compressor without causing the water pump to turn backwards on your year Lumina, so you'll either have to replace the compressor, or put a bypass pulley in it's place.
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That's cool that they have a bypass idler available....don't have a P/N do ya'?
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11-03-2006, 08:51 AM
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#8
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parts monkey slayer
Join Date: Aug 2004
Location: Flint, Michigan
Posts: 9,146
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Re: a/c problems
Here's the link to their website that shows the bypass pullies available (as well as many other products you might not think were available aftermarket).
https://www.dormanproducts.com/cgi-b...MP319681hwrap1
For reference, the part number for 89-96 Lumina's with the 3.1 is 34197. I've installed one on a Buick Century, and the only issue was the mounting bolts. The OEM compressor had threaded holes, where the Dorman part was straight through, so I had to get longer bolts and nuts because the factory bolts weren't long enough to go through the Dorman bracket and get a nut started on. Other than that, it was a troublefree install, and it's woking great.
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