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Old 11-17-2002, 02:32 PM
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haasman haasman is offline
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Join Date: Jun 2001
Location: San Francisco, CA
Posts: 3,097
On one of my cars I had, for lack of better description, an insensitive temp control. I use our house vacuum and cleaned the temp unit (this one on the ceiling). The whole system responded much more quickly to temp changes, including going from say Def to just cabin heat.

Maybe yours is dirty?
'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)
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