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Hvac Problems Fixed, All Read!

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Old Nov 16, 2007 | 02:23 PM
  #1  
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St. Jude Donor '08-'09
Default Hvac Problems Fixed, All Read!

Viper,
Got the new actuator put in just now, in a nice warm heated garage. Thanks John!
It fixed ALL problems! Heat, AC, and fan work as normal again. Took apart old one, and the main gear was cracked in half. That was what was causing the problems.
Run like hell from the dealership! Replace your bad actuator, and all should be well again. Unfortunately for you, you are going to have to pull the dash pad off to replace the passenger actuator. I was lucky enough to be able to lay on the drivers side floorboard and get to the left side one.
Let me know how things go bud.

This is a response to a post by VIPERPILOT in the tech section. He was having the same HVAC issues I was having, and the dealer told him it was his PCM. Quoted him $6000.00 to fix. Hopefully this fixes his problem as well.
Here's what was happening, and the fix:
Drivers side, passengers side temps not right.
Codes B0361, B0363 Left Side Actuator open to ground, and open circuit, Code B0441 Left side actuator out of range.
Fan not responding to commands from control unit.
Those were the symptoms.
Replaced left side actuator with new unit. Fixed ALL problems!
Took apart old unit and found the main gear broken in half.
This was not allowing the actuator to move the blend door correctly, so it was throwing the above codes.
Sorry no pics, too small of an area to take any. To replace the drivers side is a fairly easy process, if you can lay on your back in the floorboard area. If it is the passengers side, then you will have to remove the dash pad to replace it.
I want to thank Bill Curlee for his help diagnosing the problem. He pointed me in the right direction to look. Thanks Bill!
Also want to thank my buddy John(crisadevette) for the heated garage, because it's cold and windy and I wasn't looking forward to laying in the cold a** driveway doing this.
Hope this helps somebody else. Anybody have any questions, feel free to PM me.
Tim D.
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Old Nov 16, 2007 | 02:30 PM
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great job, thanks for the tip
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Old Nov 16, 2007 | 03:31 PM
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St. Jude Donor '08-'09
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No problem KG. Hope this helps somebody else save some of the vette tax!
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Old Nov 16, 2007 | 05:14 PM
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Thanks for posting the solution. I'm always reading some thread that has 3 or 4 suggestions but never learn which one solved the problem.
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Old Nov 16, 2007 | 08:27 PM
  #5  
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Originally Posted by Plasticfan
Thanks for posting the solution. I'm always reading some thread that has 3 or 4 suggestions but never learn which one solved the problem.
I agree with you 100%. You see so many posts where 10 people give suggestions(each one with a valid point, place to look, or thing to check), but you never get to see which one was the fix.
I think it should be made MAN LAW(VETTE LAW? ), that everytime you post here asking for help, you have to post the outcome and what fixed it. That way, everyone gets to see what the actual fix was, and maybe not have to try all ten suggestions.
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Old Nov 16, 2007 | 08:41 PM
  #6  
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nice info
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Old Nov 17, 2007 | 08:02 AM
  #7  
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One to keep in the memory banks CD.
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Old Nov 23, 2007 | 10:21 PM
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would that fix my problem with the driver side blowing cold air only. when i turn the **** on the driver side to warm only the passenger side goes warm and the driver stays cold always. its like the **** only controls the passenger side. its dual zone
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Old Nov 24, 2007 | 08:37 AM
  #9  
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Originally Posted by Corvette X
would that fix my problem with the driver side blowing cold air only. when i turn the **** on the driver side to warm only the passenger side goes warm and the driver stays cold always. its like the **** only controls the passenger side. its dual zone
Same problem mine was having. I sent you a PM. Also read the post in the link below. Need any more info or help, it's just a phone call away.

http://forums.corvetteforum.com/show...ht=recalibrate
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