A/C compressor question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**ScottH** · 08-14-2005, 10:01 PM

Hey guys, just picked up a cherry 76 which runs great. Only problem so far is when you run the a/c the compress squeals whenever it runs. I recall someone telling me that the bearings dry up after a while on them. I was wondering if anyone can tell me if this is true and if so can it be fixed fairly cheaply or will compressor have to be replace?

As always any help or info is greatly appreciated.

Thanks!

*iceman7329* · 08-14-2005, 10:09 PM

Its your bearings you need a new compressor, I know five people this has happened to.

**ScottH** · 08-14-2005, 10:19 PM

Can it be repaired? If not, any idea of cost of new one?

Thanks

Eyegore · 08-15-2005, 01:03 AM

Well it seems I may be an expert on buying these thing (read the post on what you got done this weekend). I priced some at checker (kragan) $116 for a rebuild but you have to buy the accumulator $42 to get the year warranty. A new comprssor is $370 and they still require an accumulator and you may need new hoses $120. Make sure you have the system evacuted and replace the orephus (sp?) filter. If your compressor is freezing up you'll need to do this. I priced several shops to do mine, estimated from 1200 - 1700.

These prices are here in Phoenix, the heat eats a/c systems.

Tom

cliffsta · 08-15-2005, 01:09 AM

What if it only squeals sometimes when you turn it on, or when you give it gas it starts squealing? would that be the bearings? isn't there a clutch on the pully that can go bad?

I'm glad somebody started a thread about this cause mine is crapping out on me, and it don't start to cool down in louisiana until its warming up again.

**ScottH** · 08-15-2005, 08:20 PM

Thanks guys for the info. Just curious if these can be repaired (ie bearings replaced) rather than replace the whole unit.

sameyrasmea72 · 08-15-2005, 09:45 PM

Quote:

Originally Posted by ScottH

Just curious if these can be repaired (ie bearings replaced) rather than replace the whole unit.

Yes, it can be repaired (ie bearings replaced). The compressor on my blazer was original (25 yrs old ) and it recently locked up or maybe not locked up completly but it broke the belt anyway. I was going to replace the compressor but the guy told me there was a chance it was just the bearing. Replaced it and it and its been fine ever since.

He didn't even have to evacuate the system. Parts and labor @$95. But don't count on that price unless you know somebody.

sameyrasmea72 · 08-15-2005, 09:50 PM

BTY, I would unplug it until you figure something out, cause if your clutch freezes up then you are screwed.

**ScottH** · 08-15-2005, 09:53 PM

Thanks, now all I have to do is find someone around here that can do it.

08-14-2005, 10:01 PM	#1
ScottH Senior Member Join Date: Sep 2002 Location: Hampstead, NC Posts: 8,190	A/C compressor question Hey guys, just picked up a cherry 76 which runs great. Only problem so far is when you run the a/c the compress squeals whenever it runs. I recall someone telling me that the bearings dry up after a while on them. I was wondering if anyone can tell me if this is true and if so can it be fixed fairly cheaply or will compressor have to be replace? As always any help or info is greatly appreciated. Thanks!

08-15-2005, 01:03 AM	#4
Eyegore What Hump? Join Date: Apr 2003 Location: New River AZ Posts: 2,009	Well it seems I may be an expert on buying these thing (read the post on what you got done this weekend). I priced some at checker (kragan) $116 for a rebuild but you have to buy the accumulator $42 to get the year warranty. A new comprssor is $370 and they still require an accumulator and you may need new hoses $120. Make sure you have the system evacuted and replace the orephus (sp?) filter. If your compressor is freezing up you'll need to do this. I priced several shops to do mine, estimated from 1200 - 1700. These prices are here in Phoenix, the heat eats a/c systems. Tom __________________ Lil red 86 c-10 99 Sub 78 Camper Special w/ 454

08-15-2005, 01:09 AM	#5
cliffsta Stepsides RULE Join Date: Jul 2004 Location: Pineville, LA Posts: 1,921	What if it only squeals sometimes when you turn it on, or when you give it gas it starts squealing? would that be the bearings? isn't there a clutch on the pully that can go bad? I'm glad somebody started a thread about this cause mine is crapping out on me, and it don't start to cool down in louisiana until its warming up again. __________________ 1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD 1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD 1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD 2009 Kawasaki KLX-250S too many mods for this signature 1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake Cardomain of the Accord

08-15-2005, 09:50 PM	#8
sameyrasmea72 Senior Member Join Date: Aug 2003 Location: Lubbock, Texas Posts: 2,443	BTY, I would unplug it until you figure something out, cause if your clutch freezes up then you are screwed. __________________ 72 Cheyenne Super 80 Silverado Blazer 2wd

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08-14-2005, 10:09 PM	#2
iceman7329 Account Suspended Join Date: Mar 2005 Posts: 453	Its your bearings you need a new compressor, I know five people this has happened to.

08-14-2005, 10:19 PM	#3
ScottH Senior Member Join Date: Sep 2002 Location: Hampstead, NC Posts: 8,190	Can it be repaired? If not, any idea of cost of new one? Thanks

08-15-2005, 08:20 PM	#6
ScottH Senior Member Join Date: Sep 2002 Location: Hampstead, NC Posts: 8,190	Thanks guys for the info. Just curious if these can be repaired (ie bearings replaced) rather than replace the whole unit.

08-15-2005, 09:53 PM	#9
ScottH Senior Member Join Date: Sep 2002 Location: Hampstead, NC Posts: 8,190	Thanks, now all I have to do is find someone around here that can do it.



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