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  #1  
Old 10-13-2004, 04:06 PM
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Join Date: Sep 2003
Posts: 222
Angry A/C fuse blowing on ML320 and unusual noise in dash

I know this has been covered, but my problem seems to be a little different. I replaced the 30 amp fuse which blew and the A/C at first did not work. I then flip the temp control to heat and then back to cold range and the A/C has since worked again. However, when I move the temp control to maximum cold, there is a clacking sound that comes from the dash. If I adjust to the mid range cold, then the clack-clack sound goes away? I wonder what is causing this sound? Any idea would be appreciated.

John
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  #2  
Old 10-15-2004, 10:50 AM
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Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
What year is your ML?

I know there is a fix to correct a factory harness defect related to the aux climate control fans operating during idle. They systematically blow fuses.

Gilly can probably interject at this point...
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  #3  
Old 10-22-2004, 02:31 PM
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Join Date: Sep 2003
Posts: 222
Angry Still having clack-clack noise in air vent

I still have a clack-clack noise that is coming from the center vent. It is esp. when the A/C is set to the cold setting and not at the hot setting. Any thoughts? The A/C still blows cold but with the noise as mentioned.

John
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  #4  
Old 10-22-2004, 07:09 PM
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Join Date: Mar 2001
Location: Evansville WI
Posts: 9,618
One of the servo-motors that runs the flaps is stripped. Going to have to find out why it would strip, something may be jammed (a flap).
Gilly
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  #5  
Old 10-23-2004, 10:10 AM
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Join Date: Feb 2004
Location: sunrise, fl
Posts: 82
I have the same problem. It come and goes though

Rene
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  #6  
Old 10-27-2004, 05:39 PM
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Join Date: Sep 2003
Posts: 222
How do I get at the servo motor?

As above.

John
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