2002 GMC Sonoma Repair Question
Topics covered: Heater, Coolant, Heater control valve.
Mileage: No information provided.
Mileage: No information provided.
Asked on September 19, 2010
2002 GMC Sonoma heater control valve
Heater problem
2002 GMC Sonoma 6 cyl Two Wheel Drive Automatic 138000 miles
where is the heater control valve located
2002 GMC Sonoma 6 cyl Two Wheel Drive Automatic 138000 miles
where is the heater control valve located
Answer
Replied on 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.