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ACC temperature distribution

986 Views 14 Replies 6 Participants Last post by  mawal
ACC system on Auto, say 19oC. Car started cool air from vents all around, 5 minutes later fan power goes down. Another 15 minutes and fan power going up! Still cold air, this time vents to rear passengers blowing hot, very hot air :confused: .

Second problem is say a humid day. ACC on auto keeps windscreen clear. some time later windscreen starts to mist up. Switch ACC off, and then back on again screen clears. repeat every 5 minutes on a very humid day :confused: . Had several software updates and still no resolve.

Not happy any pointers would help as just bee serviced today and told oil leaks around head gasket and timing chain casing. Garage want £1450 incl. VAT :evil: !! Garage advisd that as car a 1999 model and presents itself quite well with the leather etc and is clean I take it elsewhere and trade in. Are they right? Do I call it quits before I spend money?

The £1450 is for the head gasket, timing chain (due at next service anyway) and 6 hours labour and include 10% discount.
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ACC problems

I have the same ACC issue you mentioned. Cold at first and then suddenly blasts hot in the back. Or cold in front and suddenly starts turning warm, until i turn it even colder and then back to the original setting and its cool again. I was expecting to see some fault codes with it but there are none.

hmmm.... come to think of it I think it only happens with the Auto. Is that a common issue? I guess its not that big a deal but sometimes its just the small things that get to you after a while. This is my first Saab coming over from Hondas and Acuras so I was pretty accustomed to never having any problems at all.
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