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#1
11-09-2006, 07:32 PM
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Clear line on locking pump?
There are a number of yellow vacuum lines at the door lock vacuum pump. There is also a larger clear/opaque line. The yellow lines exhibit no leak. The clear/opaque has a leak. I can pull no vacuum on it. What does it lead to?
Secondly, the pump only clicks lightly when I actuate the remote. What feeds the power to the pump? Does it come from a fuse someplace? Some sort of other controller? What is the source of the main power for the vacuum pump? Anybody? Help? I am assuming the various lock switches only actuate a control voltage that actuates a relay in the pump - true? I am hoping to find the leak in the clear-line circuit, and then find a blown fuse as a result of that leak. Please make my day!
__________________
Thank You! Fred 2009 ML350 2004 SL600 2004 SL500 1996 SL600 2002 SLK32 2005 CLK320 cabrio 2003 ML350 1997 C280 Sport 
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#2
11-10-2006, 10:20 AM
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The white line goes to a vacuum distribution block located in the engine compartment. It is the same area as the electronic modules for the ABS and CFI fuel injection. These vacuum blocks seem to frequently leak.
Power for the vacuum pump is by a fuse in the trunk.
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#3
11-11-2006, 10:12 PM
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I found the vacuum block. The line seems to be ok. I'll order a new block and see where I go from there.
__________________
Thank You! Fred 2009 ML350 2004 SL600 2004 SL500 1996 SL600 2002 SLK32 2005 CLK320 cabrio 2003 ML350 1997 C280 Sport
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Linear Mode
