why do cool air blow vent some time?

1997 CHEVROLET LUMINA
176,000 MILES
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JOE1953
  • MEMBER
  • 803 POSTS
when engine is at Idle cool air come through vent but when i press on the gas air stop coming through vent, some time air come through vent and some it don't
Jul 17, 2012 at 10:16 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
does the ac work?? more info is needed.

Roy
Jul 18, 2012 at 3:50 AM
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