My 2001 silverado is having the exact same problem. I just replaced the actuator and still staying in full heat. anyone have a fix for this ? Thanks
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Originally Posted by jchilling
Big Daddy and all:
2001 Chevy Tahoe LT with manual climate controls.
I followed the actuator replacement procedure exactly including removing the fuse but the problem is not resolved. I even removed all fuses related to HVAC, A/C or Heater (3 under the hood and 2 in the dash panel).
My on-going problem (post install of new actuator) is this:
I can now turn the heat to about 80% of full and still return to 0% but if I go all the way to full 100% Heat, I cannot return to cold until the truck has been parked (shut off and with temp knob to cold) for a couple of hours +/-. 
Internet searches now turn up some things like needing a new BCM (Body control module) or re-calibrating the temp control (which I assume was your reason for pulling the fuse to reset this control module).
Any other suggestions for me before I have to take it to the stealer? |