Mechanics

HEATER CONTROL VALVE

2002 GMC Sonoma

Heater problem
2002 GMC Sonoma 6 cyl Two Wheel Drive Automatic 138000 miles

where is the heater control valve located
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Kenneth porter
September 19, 2010.



Hi kenneth,

Thank you for the donation.

Heater system is not equipped with any control valve. Heater core has coolant running through all the time and the air temperature actuator is the one controling between heat and A/C.

KHLow2008
Sep 19, 2010.