1999 Chevrolet S-10 Repair Question
Asked on October 25, 2009
1999 Chevy S-10
Heater problem
1999 Chevy S-10 4 cyl Two Wheel Drive Manual 135000 miles
air blows thru dash vents only . will not blow thru defrost or floor vents
1999 Chevy S-10 4 cyl Two Wheel Drive Manual 135000 miles
air blows thru dash vents only . will not blow thru defrost or floor vents
Asked by #1Answer
Replied on November 12, 2009
You are looking for a vacuum leak. The vent doors are actuated by vacuum. Check under the dash and the hood for leaks. Many times, you will hear a hissing sound where it is leaking from.
Let me know what you find.
