Unlock the Secrets of HVAC Master Blend Door Control

After three months of use my blend door is stuck in the cold position again. This time I not only wiggled it with my hand but also used silicone spray ... If you need to replace the door the whole dash and heater ducting needs to come out. The actuator is held in with 3 screws. blend door controls the temp by moving a door allowing more or less air to blow through the heater core. mode door controls which vents the air ... You need to put your left hand and hold the moving socket touching/against the screw treading and with your right hand start unscrewing it. The ... Hi docg2, No disassembly is required to get to the actuator. A Sienna with dual zones will have 2 actuators, driver side & passenger side. Our problem was the ... 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 ... The average cost for a HVAC Blend Door Actuator Replacement is between $347 and $402. Labor costs are estimated between $210 and $265 while parts are typically ... One thing you can try that might reset all of the actuators for the HVAC doors is to remove the battery cables to power down the entire vehicle ... Sounds like you have either the blend door (hot/cold) on the drivers side acting up, or the temperature sensor is having issues. The temp sensor ... It's at the bottom of the HVAC box just in front of the center console. You have to pull the center console out to see it or gain access to it.