Date: Fri, 29 Sep 2000 15:56:16 -0700 From: Johannes H Andersen <johannes.andersennopsamel.ac.uk> Subject: Re: Solve this Master Tech
Goran Begicevic wrote: > > Had same problem...but it wasn't the AC-pump!!! > > There is a small air-pump beneath the dash that suck ait from a small > hole in the dash to temperature-sensor. When bearings get dry it will > start to sound like crickets. I cured it by opening top of the dash and > dropping little oil on the bearing. > > J wrote: > > > > 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 Thanks, it sounds like I need a stethoscope to find the exact source of the noise ? Johannes
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