Re: Buzzing A/C noise - Saab 9-5 Bulletin Board - Saabnet.com
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Re: Buzzing A/C noise
Posted by 2000AERO [Email] (more from 2000AERO) on Tue, 29 Aug 2006 13:24:57
In Reply to: Buzzing A/C noise, SteveE, Tue, 29 Aug 2006 09:48:10
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There's a couple of different things that can cause this.
The most common is the expansion valve. Many cars from that time did this (mine included). It is not harmful to the system, just mildly annoying. When the car was under warranty, the dealer would replace the expansion valve, but I decided just to leave it alone since any time you open the system, you risk contamination and leaks.
The other problem could be one of the servo motors. I also had this happen to my car, however, it only made the noise when I first turned on the system. The dealer replaced the passenger side temp servo under warranty.
Michael
posted by 24.94.25...
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