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AC blows cold on passenger side only

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Old Aug 1, 2015 | 10:29 PM
  #21  
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WildRide357
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From: Kansas City (Lees Summit) Missouri
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Hmm well gotta test out more but it's not working right with new actuators. . Reset the actuators several times trying to get them to work correctly. If I just start the car and run AC, cold outta all vents. Then turn the temp level down and it gets hot on drivers side. Pass side stays ice cold.

Reset and it's back to all cold. Gonna drive it like this for a while. Give my mind another chance to soak it up.
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Old Aug 5, 2015 | 08:40 PM
  #22  
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WildRide357
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From: Kansas City (Lees Summit) Missouri
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****'s working now!!!

Control was bad. Picked up one local off a 6k mile parted out Z for $150. All bulbs workin! Thanks to all the posters on here for the support! I have been too busy to concentrate on this car.

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Old Aug 6, 2015 | 06:37 AM
  #23  
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dadaroo
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I had a strong hunch it was the control unit based on what you told us. Thanks for the update.
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Old Apr 16, 2024 | 11:53 AM
  #24  
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RA051024
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From: Charlotte, NC
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Originally Posted by 73Corvette
C5 Re-Calibrating Actuators

Use the following steps to perform the calibration update:

1. Turn OFF the ignition.
2. Remove the battery positive voltage circuit fuse of the HVAC Control Module (fuse #27).

Important
The module memory will not clear if the battery positive voltage circuit fuse is installed in less than 60 seconds.


3. Wait 60 seconds.
4. Install the fuse.


https://www.corvetteforum.com/forums...actuators.html
Thanks! This is the tip that worked for me. I had just replaced the battery when my problem started. I pulled the fuse like you said, waited a couple of minutes to be sure I didn't put it back in too soon and fired her back up. The AC light flickered, then everything went back to working like a charm. I love this forum and folks like you make it the best!
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