RE: [DMCForum] Re: A/C squealing (Compressor Bearings)
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RE: [DMCForum] Re: A/C squealing (Compressor Bearings)
- From: "timnagin" <timnagin@xxxxxxxxxxxxxx>
- Date: Tue, 10 May 2005 13:24:37 -0400
In my limited experience, that sounds more like a loose belt. When the
compressor went bad on my other truck and started squealing like that, I
could literally feel the truck slow down from the drag. When it finally
died, it was like I pulled up on the emergency brake handle.
When the belt was loose, I could turn it off and on just like you are saying
and it would stop squealing. Have you tried tightening the belt yet?
I also know of two friends who has this squealing and all they needed was a
new a/c clutch. Can that be replaced on the De Lorean without having to
replace the whole compressor? I don't know.
Greg
-----Original Message-----
From: DMCForum@xxxxxxxxxxxxxxx [mailto:DMCForum@xxxxxxxxxxxxxxx]On
Behalf Of Ryan Wright
Sent: Tuesday, May 10, 2005 1:24 PM
To: DMCForum@xxxxxxxxxxxxxxx
Subject: Re: [DMCForum] Re: A/C squealing (Compressor Bearings)
Yes. Well, sort of. The squealing is not constant, it's a random
thing. Most of the time the A/C works fine, but from time to time it
starts squealing when the compressor engages and doesn't stop until
the compressor disengages (by me turning the A/C off).
But I can turn the A/C immediately back on and the squealing will be
gone. So when it happens, I just flip the mode switch to off, then
right back to max, and it goes away.
-Ryan
On 5/10/05, timnagin <timnagin@xxxxxxxxxxxxxx> wrote:
> Ryan,
>
> Please correct me if I am wrong, but in a previous post didn't you mention
> the squealing also goes away after the compressor has been on for a
little
> while?
>
> Greg
>
>
> -----Original Message-----
> From: DMCForum@xxxxxxxxxxxxxxx [mailto:DMCForum@xxxxxxxxxxxxxxx]On
> Behalf Of Ryan Wright
> Sent: Tuesday, May 10, 2005 1:03 PM
> To: DMCForum@xxxxxxxxxxxxxxx
> Subject: Re: [DMCForum] Re: A/C squealing (Compressor Bearings)
>
> edit, I should have said, "The last compressor I had someone replace
> on a car cost me $300 just for the compressor." I've never replaced
> one myself due to my not understanding how to keep from losing the
> freon.
>
> -Ryan
>
> On 5/10/05, Ryan Wright <ryanpwright@xxxxxxxxx> wrote:
> > Bill, you rock. That's what I will do, then. The compressor is
> > original and I'd been avoiding replacing it because the last
> > compressor I replaced on a car cost me $300 just for the compressor.
> >
> > $100 is cheap, and I can figure out how to get the compressor out and
> > back in just fine, but I do have one question for you: How do I deal
> > with the freon side of things? I've never worked on A/C systems
> > before, and obviously don't want to lose the R-12 for many reasons.
> >
> > > Yep -- bearings for the compressor shaft itself don't spin until the
> > > clutch is engaged.
> >
> > Right -- the bearings on the idler pullies are always spinning, so
> > since the noise goes away when the A/C is not engaged, I don't see how
> > they can be the problem.
> >
> > -Ryan
> >
> > On 5/9/05, content22207 <brobertson@xxxxxxxxxxxx> wrote:
> > > Yep -- bearings for the compressor shaft itself don't spin until the
> > > clutch is engaged.
> > >
> > > You could go through a laborious procedure to disassemble the
> > > compressor, or simply replace it altogether with any Sanden 508/510
> > > (are common as dirt, $100 NIB on eBay). Sanden is what Sankyo changed
> > > its name to. Re-use your existing back.
> > >
> > > Bill Robertson
> > > #5939
> > >
> > > >--- In DMCForum@xxxxxxxxxxxxxxx, Ryan Wright <ryanpwright@xxxx>
wrote:
> > > > Thanks Toby. Hey, I had another thought about this -- The noise
stops
> > > > completely the second I turn the A/C off. How could that be a
bearing?
> > > > Are they used or stressed more with the A/C on, or something?
> > > >
> > > > -Ryan
>
>
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