1997 Gmc Sonoma Air Heat Doesnt Blow Through Vents Only Defroster

1997 GMC SONOMA
150,000 MILES
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ANONYMOUS
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air or heat doesnt blow through vents, only defroster
Mar 16, 2013 at 1:48 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
most likely a vacuum leak under the hood to the inside for the controls. have it checked to confirm.

Roy
Mar 16, 2013 at 1:57 PM
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