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- - AC 1/2 hot and 1/2 cold (https://mercedesforum.com/forum/mercedes-slk-class-14/ac-1-2-hot-1-2-cold-53985/)

spatengal

10-31-2013 01:21 PM

AC 1/2 hot and 1/2 cold

Good Morning
I have a weird problem or at least weird to me. I have a 1998 SLK230. The AC blows cold on the passenger side but hot on the drivers side. Is there a simple fix or is it on the way to the shop?
Thanks
Pam

brookings

11-05-2013 01:34 AM

my first guess and easiest to get at would be the heater control valves next to where you put in windshield cleaning fluid. might put a hose clamp on one or the other and see what happens. could be other things but that is the most common thing with that symptom.

spatengal

11-05-2013 07:14 AM

Thanks

Thanks I will try that. I had the AC topped off and that did not help.
Thank you
Pam

techcareuk

01-21-2014 01:37 AM

it sounds like the Duovalve,(heater valve) mentioned!

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