The heater and air conditioner only blows out air through the defrost vent. How do I fix this?
Saturday, September 26th, 2009 AT 12:06 AM
1 Reply
JACOBANDNICKOLAS
MECHANIC
109,755 POSTS
You are looking for a vacuum leak. The vents are actuated by vacuum so either you have a broken or disconnect hose. Check under the dash and the hood where the supply comes from.