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1999 Buick Park Avenue no heat on the driver's side

1999 BUICK PARK AVENUE
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KRIS DORSEY
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  • 1 POST
Heater problem
1999 Buick Park Avenue 6 cyl Front Wheel Drive Automatic

I have heat on the passanger side, but cold air on the driver's side, what are some possible causes?
Nov 5, 2009 at 4:58 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The vent are actuted by vacuum. Check for leaks under the dash. With the engine running, you may be able to hear a hissing sound where the leak is located.

Let me know what you find.
Nov 25, 2009 at 1:46 AM
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