[DMCForum] Re: A/C squealing

["Toby Peterson" <tmpintnl@xxxxxxxxx>]

Ryan - I know that a possible bad bearing has been mentioned.  You can 
remove the belt, and rotate the idler pulleys by hand.  When the 
bearings start to go, you can feel it while turning the pulley.  They 
should turn very smoothly with absolutely no feeling of grinding or 
binding.  They are not expensive, and are very easy to change.  One of 
our members was in a DeLorean caravan coming back from a rally.  One 
of the bearings seized, and it sheared off the pivot bolt that the 
pulley rides on.  The pulley dropped out the back of his car, bounced 
once on the highway, and I caught it in my left hand turn signal 
light.  What a surprise, to say the least.

PLease let me know if I can be of help to you!  Thanks.

Toby Peterson
DeLorean Parts Northwest, LLC
www.delorean-parts.com  


--- In DMCForum@xxxxxxxxxxxxxxx, Ryan Wright <ryanpwright@xxxx> wrote:
> From time to time, I get a terrible squealing noise from the engine
> compartment when the A/C comes on or cycles. If I turn the A/C off 
and
> back on, the problem goes away (until next time). I'm 99% sure it's
> the belt squealing like mad, so am guessing something is slowly going
> bad with my A/C compressor or clutch. It works great most of the 
time,
> this is only an occasional problem (driving almost daily with the AC,
> I'm seeing it about once a week now).
> 
> Any ideas?
> 
> I did replace the belt a month or two ago and never had the problem
> before this. Is it possible I made it too tight?
> 
> -Ryan

---

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