1999 Mercury Cougar defrost

Tiny
RJT77272
  • MEMBER
  • 1999 MERCURY COUGAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 95,000 MILES
My air and heat only come out of the defrost. What has to be done to repair? Is it a costly job? Thanks for your help
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Thursday, August 27th, 2009 AT 7:39 PM

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Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Check for a vacuum leak either under hood or under dash. Check the operation of the vacuum controlled motors under dash . Check the operation of the selector switch. Defrost is the default position for the system so if there is a problem you will still get air at the windshield.
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Friday, August 28th, 2009 AT 12:43 AM

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