Cold heater

2003 HUMMER H2
140,000 MILES • V8 • 4WD • AUTOMATIC
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PETERT68
  • MEMBER
  • 1 POST
I have a 2003 Hummer H2. Heat come out of passenger side vents only. Cold air only, coming out of drivers side vents. I live in Canada,and drive like this in the winters. Please help....
Dec 16, 2010 at 8:12 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
checkto seeif your actuators are getting power. they are on tehheater and control air/heat. to each side of the truck. the pic i'm ataching is a general thing but will give you an idea of what to look at.
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Dec 20, 2010 at 6:34 PM
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