M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Ticking in HVAC system

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Old 04-27-2010, 02:12 AM
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1998 ML 320
Ticking in HVAC system

Hi there,

Have a '98 ML 320 and am working on the HVAC system at present. There is a ticking sound in the center of the dashboard right behind the center console that disappears everytime you adjust the temp control to the center white line. Is there a motorized damper controlling air flow behind the center vents? Any help is appreciated. Thanks.
Old 04-27-2010, 09:01 AM
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2004 S55 (SOLD, miss it every day), 2009 GL550
Originally Posted by temeculaml320
Hi there,

Have a '98 ML 320 and am working on the HVAC system at present. There is a ticking sound in the center of the dashboard right behind the center console that disappears everytime you adjust the temp control to the center white line. Is there a motorized damper controlling air flow behind the center vents? Any help is appreciated. Thanks.
whatever you do, DO NOT FORGET to adjust the temp control to the center white line

it's a bomb.....
Old 04-27-2010, 12:23 PM
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What do you mean, "it's a bomb"?
Old 04-27-2010, 01:26 PM
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Originally Posted by temeculaml320
What do you mean, "it's a bomb"?
you know:

tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick tick
BOOM
Old 04-27-2010, 06:39 PM
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1999 E320, 2000 ml430
you can save yourself and the world by turning the dial to the red... or is it the blue??? Hurry we are almost out of time!!!

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