w202 centre vent

[fouskos]

My problem is that only if the A/C is on I can get some air for the centre vent.
In EC mode nothing comes out.

I am suspecting a vacuum leak since I can hear a continuous noise from the back pasenger side when the ignition is on.

Please advice

 

[roofless]

i think you might be right. this is a 202 vacuum set up http://www.detali.ru/cat/oem_mb1.as...722.602&GM=717.417717.418&CT=F&Cat=45H&SID=80

 

[television]

Here are some of the parts
http://www.detali.ru/cat/oem_mb2.as...417717.418&CT=F&cat=44V&SID=80&SGR=080&SGN=04
http://www.detali.ru/cat/oem_mb2.as...417717.418&CT=F&cat=44V&SID=80&SGR=105&SGN=05
http://www.detali.ru/cat/oem_mb2.as...22.602&GM=717.417717.418&CT=F&cat=44V&SID=80&
SGR=120&SGN=06
http://www.detali.ru/cat/oem_mb2.as...417717.418&CT=F&cat=44V&SID=83&SGR=165&SGN=04