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This episode tells you everything you need to know about temperature (aka blend door actuator) failures in cars like my Cadillac CTS. It's common to have heat on one side and cold on the other when one of these fails to do it's job. In my case, an actuator is making a grinding noise. These require many hours of labor to replace, but can we do it ourselves?
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Chapter Markers:
00:00 Introduction
01:00 Appreciate skilled mechanics
01:42 About HVAC temperature door actuators
05:51 Accessing the passenger actuators
09:16 Removing my failed actuator
11:55 Conclusion
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Actuator Reset Procedure (without scan tool). This may help fix a stuck actuator.
When installing a new actuator, don't put power to it until you do the following:
1. Remove HVAC fuse
2. Wait 15 seconds and reinstall fuse
3. Start car and don't touch AC controls for at least 40 seconds. You will hear doors moving and adjusting.
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