Heater the driver side blowing cold

2010 NISSAN ARMADA
80,000 MILES • 5.6L • V8 • AUTOMATIC
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ROTIMI
  • MEMBER
  • 1 POST
Driver side blowing cold, when heater is on, passenger side is hot.
Nov 1, 2017 at 11:26 PM
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STEVE W.
  • ✓ASE Certified Mechanic
  • 15,200 POSTS
  • ASE Certified Mechanic
That would be a bad air mix door or actuator. In that vehicle it is located on top of the heater case behind the dash. Item 9 in the picture. To get to it the dash has to come out.
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Nov 2, 2017 at 1:09 AM
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