S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

Rear AC blows warm, front blows cold. Help

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Old 06-27-2018 | 09:19 PM
  #1  
jlg32281's Avatar
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Joined: Oct 2016
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From: Vidor, Texas
06 S65
Rear AC blows warm, front blows cold. Help

My car sat for a few months and now the rear AC blows warm air while the front blows cold. Rear blower still works but doesn't blow cold. What needs to be fixed? Is it a faulty duo valve in the engine bay?

I'm in Texas and I need every bit of this AC system to blow as cold as possible to keep up with high 90s temperatures.

2006 S65 AMG w/ 90k miles for reference.
Old 06-28-2018 | 09:07 AM
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From: Ball Ground, GA (N of Atlanta)
2003 S500 2007 GL450
https://w220.ee/#WIS_83_Climate_Control

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