Air conditioner blows from defroster vents

Asked by Reatta Sep 07, 2012 at 01:27 PM about the 1990 Buick Reatta Coupe FWD

Question type: Maintenance & Repair

Mechanic says vacuum is good to all drover motors. cannot tell which one may be at fault??

2,165

Rubie answered 11 years ago

42 people viewed your post. They don't know and neither do i. Try a different mechanic. Looks like you need a fresh approach.

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10

Kathy answered 10 years ago

your ac programmer is not directing the air to the other outlets

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Your Answer:

Air conditioner blows from defroster vents 2 Answers

Mechanic says vacuum is good to all drover motors. cannot tell which one may be at fault??

1990 Buick Reatta Coupe FWD

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Maintenance & Repair
Drove my "new" used 1990 Buick Reatta from Dover DE to Denver CO the past 3 days. The dealer replaced the blower motor just before I began the drive cross country. When using the ACC system manually to switch modes for air delivery between different outlets (Heat, Bi-Level, Defrost, Dash) the system did not redirect the air. Somehow either the heater box door is not getting the signal to change position(s) or it's blocked. Any ideas which it may most likely be and how to diagnose it without tearing the entire system apart? Thanks for any help! Mike 2 Answers

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