My car wont blow air outof the defroster vents. on 1997 Buick Park Avenue

I understand the idea of dampers and actuators. Is there a drawing available that shows the different dampers and their locations.

by in Snowflake, AZ on December 30, 2012
1 answer 2 comments
ANSWER by on December 30, 2012
you may have a small vac leak under the hood at your vac ball,start there and ck hoses thru firewall to controller
COMMENT by on December 30, 2012
where is the vacuum ball?
COMMENT by on December 30, 2012
under hood on pass side inner fender i believe. its a 3" blk ball with 2 vac hoses attached to it,follow the hoses and look for breaks or cracks

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