Silverado blend door actuator reset

Silverado Blend Door Actuator Reset. It would not actuate any further even when not installed. I then waited about one minute and started the truck. I removed the motor and tested it connected to the truck but removed from the blend door. 1999 Chevy Silverado Engine Heat Is Fine But Cool Air Coming Out Of Haeter Vents.

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Ignition off pull the HVACECAS fuse for 10 seconds reinstall and start vehicle without touching any controls wait 40 seconds for the control module to self calibrate. I installed a new blend door actuator. Replaced it today and the new motor still will not open to cold. I have tried at least 7 different ways to reset the actuator but all have failed. GM Electrically Driven Actuator Motors. These days its electrically driven actuator motors modules accomplishing the job.

Of course it had to be the one that is hard to get to.

I installed a new blend door actuator. Wait for about 5 minutes and put the fuses back in and then power up the truck and if you listen carefully you will here the actuators moving. Long gone are the cables and rods jutting out of the firewall to operate the heater control valve or a vacuum unit pulling a blend door open. I have read that many people have had this problem. Replaced it today and the new motor still will not open to cold. So far so good YouTubers and 4000 for parts-any DIY mechanic can do it.

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