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1997 M B E420 1990 Porsche 964 C2 Coupe
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107 Posts
Discussion Starter #1
The A/C on my E is not working right. The air on the passenger side is fine, nice and cold. However, the drives side air dose not cool donw. What should i do?
 

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'01-E320 & 02-ST2
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31,633 Posts
Or just clean the duovalve, which sounds like the issue. If not then run the diagnostic.

FWIW you can find most answers in the help/diy stickies and through the clever use of the search function.

Take care and enjoy the ride,
Greg
 

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Registered
1996 210.020
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3,972 Posts
It is either the duovalve letting hot water into the left heater core, or insufficient refrigerant flow through the evaporator. Insufficient flow is caused by low refrigerant level, a blockage, or a bad compressor (in order of probability).
 
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