The AC is blowing hot from the driver side cents only in my Yukon

Asked by Aug 29, 2015 at 09:31 PM about the 2003 GMC Yukon SLT

Question type: Maintenance & Repair

1 Answer

9,220

The rotary selector (AC,DEF,Floor ), is an electro-pneumatic switch that operates the Vent doors /// if the O rings get hard or deformed it won't actuate the Blender door .. Not that hard to fix and not any where near as hard as changing the vacuum actuator ( the most common misdiagnosis)

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