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-   -   A/C Recirculation button (http://www.peachparts.com/shopforum/tech-help/150742-c-recirculation-button.html)

e320 coupe 04-15-2006 12:37 PM

A/C Recirculation button
 
Hi,
91 300ce
Whenever i use my a/c and press the recirculation button, nothing happens; I can still smell the fumes and air from outside the car. What should i do to fix this.
thanks
a

mbdoc 04-17-2006 08:09 AM

For you to shut off the "fresh" air from entering the car the TWO fresh air elements MUST both be closed..possibly a bad vacuum element is only partially closing off the fresh air door.

e320 coupe 04-17-2006 10:21 AM

Thanks M.B.Doc,

where is this vacuum element that closes the the fresh air door located? What does it look like?

thanks
a

mbdoc 04-17-2006 11:26 AM

1 Attachment(s)
Take a look at the vacuum routing...SEE that the 2 recric elements, # 42 have 2 diaphrams each!

e320 coupe 04-17-2006 11:55 AM

Thanks for your help! :)

looks like its gonna be a pain to remove.
a

mbdoc 04-17-2006 12:47 PM

You need to start by doing vacuum tests at the switch-over valve OR at EACH of the 2 recric elements..you will need a hand vacuum pump w/guage to find the problem


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