[diesel_mercedes] Re: Help with Klima I HVAC

 



No ;

You'd still get hot air , the defroster is supposed to run the AC compressor at the same time because it dehumidifies the air , making the defroster more efficient .

If the compressor still has any charge ,when the pump is running you should feel the outlet pipe getting cold .

Google ' Klima I ' or maybe ' Air Temp II ' to see how to test the evil servo , in a nutshell when you drive it to one extreme or the other , the motor inside it *MUST* run smoothly and stop with an audible " THUNK " ~ if it slows down and stops , it'll fry the amplifier behind the glove box . 

The very first thing to do is test and repair that damn servo then and only then can you begin the long arduous march to - wards working HVAC .

I wrote many detailed posts on the testing and repairs of this wretched HVAC system , good luck with it as I'd rather drive a Chevette than fool with KLIMA I ever again .

-Nate
       Mike   wrote :

I know I'm not in the diesel club anymore with my 280SE.  But I was wondering if you might be able to help me.

The servo does not work.  Only the defrost works.

So I jumped the A/C clutch to engage it by running a wire to positive terminal on the battery. 

My question is should he air be cold coming out of the defrost or not with the compressor on?

Thanks if you can help that would be so appreciated no one seems to know.

 Mike

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