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Old 04-02-2008, 08:57 PM
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Join Date: May 2006
Posts: 86
86 190e 2.3-16 climate control system

Can anyone post pics or diagnostic procedures to check if the vacumn system under the pass side dash is working properly. I understand this also controls the recirc flap/door in the center of the firewall inside the dash.

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Old 04-03-2008, 08:06 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
What is the problem.

Using a hand vacuum pump on each of the vacuum lines at both switch-over valves will show if there is a leak.
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Old 04-03-2008, 09:45 PM
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Where are these valves located?
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Old 04-04-2008, 10:31 AM
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Join Date: Jul 2006
Location: Tampa, FL
Posts: 819
Originally Posted by 97civicdx View Post
Where are these valves located?
PM me with your email address and I'll send you this article I saved on a Word Doc:

"Troubleshooting the Mercedes-Benz 190 Tempmatic ACC Climate Control System"



1993 190E 2.3
2001 SLK230
1971 LS5 (454) Corvette Convertible
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