Hcv

Tiny
SKIPEL23
  • MEMBER
  • 2000 GMC SONOMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
Where is the heater control valve located.
Friday, November 19th, 2010 AT 10:49 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
It doesn't have a heater control valve for water.
The temperature is controlled by the use of an air mix door that is operated by an electric motor/actuator. This door can be jammed or the actuator can be inoperative or have stripped plastic gears internally.
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Friday, November 19th, 2010 AT 10:55 PM

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