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GMC
Yukon
Climate Control
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2001 GMC Yukon Climate control module
RENDOT
MEMBER
2001 GMC YUKON
4.3L
V8
2WD
AUTOMATIC
172,000 MILES
Air only come out of dash vents. Temp control works as set.
Thursday, January 15th, 2015 AT 8:57 AM
2 Replies
HMAC300
MECHANIC
48,601 POSTS
Check for a vacuum leak one of the vacuum motors for mode is probably not working or there is a leak in vacuum line.
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Thursday, January 15th, 2015 AT 9:28 AM
WRENCHTECH
MECHANIC
20,761 POSTS
Not sure where that diagram came from HMAC but the mode actuators on this truck are electric.
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Thursday, January 15th, 2015 AT 9:53 AM
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