Date: Fri, 03 Mar 2000 02:30:36 GMT
Subject: Re: Pongy "fresh" air in 9000

Tony Atkinson wrote: > > A friend has recently bought a superb 1993 9000 2.0 non-turbo with 105k on > the clock, and aircon (which neither of has had before), from a UK Saab > dealer. The problem is an intermittent smell from the fresh-air vents. He > describes it as "metallic and dusty": it is apparently not the smell of > leaking coolant. We have replaced the pollen filter as the old one was dirty > and carried "the pong" > It seems to be worse during cornering and at low fan speeds, and can appear > whether or not the aircon is on. Similarly, it does not seem to matter > whether the heater is set to hot, cold, or in between. Our thoughts are > currently revolving around the aircon matrix box and its possible drainage, > but we have no experience in this field, and Haynes does not appear to be > much help. > Any thoughts or tips would be much appreciated. > > Thanks > > Tony Atkinson Tony: if you have replaced the filter, the problem could be dust/crud trapped in the coils and fins of the cooling unit. On my older 9000, after I pulled the air filter (not a pollen filter like yours, less sophisticated) I could see the fins and coils of the unit. I used a spray liquid product call a "coil cleaner" which I purchased at an industrial hardware store. Don't know how these products are distributed in UK. This was not something I could buy in a neighborhood store. Cost abut $10 USD. Did the trick, left behind a slight lemony smell, which was nice. The pollen filter may be in a box-type arrangement and you may have to remove other panels to get to the coils. Good Luck

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