Heater problem

140,000 MILES
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JGRANT78
  • MEMBER
  • 1 POST
My truck just blows cold air and I was was wondering if it could have a blown fuse or relay that controls the AC to Heat. Whenever I turn the **** to heat I don't hear anything switch over. Could it be that or maybe a bad acuator motor?
Nov 1, 2011 at 5:30 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
yes it could check yoru heater hoses to see if both are about the same temp when hot. then check the actuators in the hvac unit.
Nov 1, 2011 at 6:41 AM
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