Master the Art of Automotive Climate Control Blend Doors Unveiled

Problems/Service/Repairs - Heater Blend Door Broken - Alright, so I was having some issues controlling the climate a couple winters ago and ... A blend door actuator is a small motor that controls the temperature blend door inside the HVAC (heating, ventilation, and air conditioning) ... Post #3 here has a drawing. It (blend door)is #12. Yes change heat setting from hot to cold as you are looking at the actuator and the little ... To remove the passenger side blend door actuator: 1. Disconnect and isolate the negative battery cable. 2. Remove the glove box from the instrument panel. Apparently it is common for the blend door shaft to crack and the actuator will rotate without turning the shaft. The condition you are describing is most likely a broken blend door on the driver's side (the clicking sound that is now gone is the biggest clue). There are four actuators. Two on driver side are blend-air door (temp control) and mode door (directs air flow to floor, defrost, dash vents). This episode tells you everything you need to know about temperature (aka blend door actuator) failures in cars like my Cadillac CTS. A blend door actuator is a small motorized device that controls the movement of the blend doors. The blend doors are responsible for regulating ... Turn the ignition off. Remove the HVAC/ECAS , 10 amp fuse in the underhood fuse box* or disconnect the battery for one minute. *Fuse locations ...