Date: Thu, 28 Sep 2000 22:50:37 -0700 From: Kimo Saaby <kimo_saabynopsameja.com> Subject: Re: Solve this Master Tech
Is there a belt tensioner nearby? Could be wearing out. Screechy slippy belt? - Orbitronik Johannes H Andersen wrote: > Mike F wrote: > > > > Ask The MasterTech wrote: > > > > > > Hi Johannes, > > > One of two things. Either the A/C system is overfilled making the compressor > > > overwork or the compressor is beginning to fail inside. Compressor failures > > > on Saab (as with many other cars) are a very common failure because most > > > people tend to leave them on all the time inadvertently.Hopefully this will > > > help. TW <johsnopsamsafish.com> wrote in message > > > news:39D2626D.EBB8FEC2nopsamsafish.com... > > > > On my Saab 9000 CSE 1993 75000 miles, the A/C pump wheel emits a noise > > > > (A/C off) which one normally would associate with lack of lubrication. > > > > The noise is not audible inside the car, but it worries me if the unit > > > > is about to fail. I asked the Saab dealer about it, he said there are > > > > no lubrication points or requirements for this unit. A replacement pump > > > > would cost around £500 ! This is a lot of money for a bit of cold air. > > > > What should I do now ? > > > > > > > > Johannes > > > > Interesting that the overfilling would make any noise with the A/C off. > > If there is noise at the front of any A/C compressor with the A/C off, > > it's caused by the bearing that allows the A/C drive pulley to freewheel > > without turning the compressor. The worst part of this is that part is > > normally a standard ball bearing that costs no more than $10 if you buy > > it separately. Sorry I know nothing of Saabs, but you may be able to > > remove the pulley and lubricate this bearing. This may make it last for > > 2 more hours or forever, depending on how lucky you are. (I did this on > > a Volvo once, about 8 years ago. My brother still has the car, A/C > > works fine.) > > > > -- > > Mike F. > > Thornhill (near Toronto), Ont. > > > > Change cant to ca and remove parentheses to email me directly. > > Thanks, I will try to lubricate the bearing if I can get access. Not much > space around the unit and A/C hoses are in the way. > > Johannes
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