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

CAPTKCP

MEMBER
2004 GMC YUKON
5.3L
V8
2WD
AUTOMATIC
160,000 MILES

The passenger side stays cold.

Sunday, August 20th, 2023 AT 4:41 AM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
48,380 POSTS

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.

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Sunday, August 20th, 2023 AT 4:20 PM

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