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C5 Open Discussion General and technical C5 Corvette discussion - ownership, maintenance, repairs, modifications, tuning

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Old 01-04-2017, 11:13am   #1
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Cool No front defroster on driver's side

The front defroster in my 1998 C5 Corvette doesn't blow air on the driver's side so it fogs up. I removed the HVAC fuses (18 & 27 and 27 by itself) to reset the actuator but it didn't correct it. I could hear the actuator moving after replacing the fuse(s). The key was in the On position but the engine was not running. I just bought the car in July and it only had 45000 miles on it and looked immaculate.

I checked the DIC error codes but there were no HVAC codes and the codes that were there were all historical(H). I'm not sure what to do next and I don't want to just start taking things apart.
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Old 01-04-2017, 7:32pm   #2
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I moved your Thread to the C5 open discussion because not may will see it in the new members section!
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Old 01-04-2017, 8:29pm   #3
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You need to have the car running. The system operates both with electric actuators, and vacuum actuation.
If ti still does the same thing, you'll need to check the vacuum lines. They areaccessible from the passenger side. Remove the wheel, and the wheel liner, amd you'll be able to see where the vacuum line from the engine comes to a splitter that runs into the cockpit.
The main line comes off the back of the intake and its a pain to get to. If you have realy small hands, you can reach it. If not, you have to remove the intake to replace the line.
Let me know if you need more info or help.
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