2003 ML350 heat problem - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 04-05-2009, 11:56 PM Thread Starter
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Post 2003 ML350 heat problem

Hi all , I'm new here but I really like what this site does. After changing my Crankshaft position sensor last week, I vowed never to let the dealer touch my car again. It cost me $75 and a half hour to replace. My dealer wanted around $400 for the job. 2 bolts and I didn't even get my hands dirty.

I have a problem with my blend air door. I can reach through (after taking glove box out) and move it manualy. It changes from warm air to cool. Of course I'm hoping to not take the dash out so...I was wondering if there is any kind of "brain" that might be bad that is before the stepper motor.

I get blower control
I don't get temp control
I don't get vent control...bottom-middle-defrost. Is there another door for this?
I was thinking if both doors are inop then it might be something else.
Thanks,
Dave
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post #2 of 3 (permalink) Old 04-06-2009, 08:50 PM
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Welcome to Benzworld!! Try posting your question in the forum specific to your car or you can try the search method and I'm sure that one of the many knowledgable members here would be glad to help you!

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post #3 of 3 (permalink) Old 04-06-2009, 10:25 PM Thread Starter
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Thanks so much!
Dave
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