Af­ter dri­ving for 10 minutes or so my driver's side air will sud­denly go from cold to hot?

2004 GMC YUKON
160,000 MILES • 5.3L • V8 • 2WD • AUTOMATIC
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CAPTKCP
  • MEMBER
  • 47 POSTS
The pas­sen­ger side stays cold.
Aug 20, 2023 at 4:41 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
This happens when the driver's side blend door actuator goes bad.

This guide will show you the location and how to replace it:

https://www.2carpros.com/articles/replace-blend-door-motor

Please let us know if you need anything else to get the problem fixed.

Aug 20, 2023 at 4:20 PM
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