2004 Chevrolet Suburban Heater Intermittently Blows Cold Hot Air Set On Rear

2004 CHEVROLET SUBURBAN
124,000 MILES
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ANONYMOUS
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  • 1 POST
Heater intermittently blows cold and hot air when heater set to on. Rear blows only cold.
Jan 2, 2013 at 3:39 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
try pulling hvac fuse first for 60 seconds it may be an actuator needs resetting, check coolant level as well and if heat is going to both hoses first.
Jan 2, 2013 at 4:29 PM
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