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Old 08-28-2001, 07:04 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The fresh air door is at the bottom of the heater box! Behind the ash tray by about 18". The door is 100% open in the fresh air(no a/c) mode & also in any heating mode. It is 80% closed in the normal A/C mode & will close 100% in max A/C. There are 2 vacuum lines that control operation!!
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