T turk55 New member Joined Jul 28, 2014 Messages 3 Reaction score 0 Points 0 Dec 22, 2015 #1 On my 2001 GMC Sierra c3 the temp control doesn't work, I can turn it up but not back down, the only way to get temp to come down is to stop truck and turn it off then turn down temp. Any one run into this and what was the fix.
On my 2001 GMC Sierra c3 the temp control doesn't work, I can turn it up but not back down, the only way to get temp to come down is to stop truck and turn it off then turn down temp. Any one run into this and what was the fix.
K ktownloudog New member Joined Dec 26, 2015 Messages 7 Reaction score 0 Points 0 Location Kingman, AZ Dec 26, 2015 #2 Sounds like either the actuators need a relearn or one is broken.
