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AC: Left side blows cold, right side blows hot
Hello,
Recently started having an issue with my 2000 C230. Randomly the ac will start blowing hot on the right side (Right vent + right/center vent). It doesn't happen often, but when it does it is very strange. I can try to mess with the fan power or hot/cold settings, and sometimes it self-fixes. Other times I am left to turn the AC off for the remainder of the ride. Does anyone know what this could be? Thanks in advance for any suggestions.
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have you checked duo valves?
they get a hiccup sometimes
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Senior Member
This happens to me as well. What is a duo valve and how do you get to it?
KOMPRESSED
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duo valve is on the passengers side in the engine bay where the struts are bolted
there are 2 small cups attached to some rubber hoses, these are the duo valves
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Member
Several duo-valves operate the HEVAC. One apparently is a bitch to remove and needs dismantling the entire dash board.
Diagram of the vacuum operated valves below.
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