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post #1 of (permalink) Old 06-10-2019, 04:20 AM Thread Starter
jnash
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Date registered: Apr 2005
Vehicle: 2003 S55 AMG
Location: Houston, Texas
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Software close doors PSE Pump Schematic

Can anyone please confirm that the yellow air line designation of the "BFT" labeled port on the PSE pump in the trunk is in fact the line that goes to the front left drivers door soft close on a W220 4 door?? (reference Brian Rice's W220 ver 2.0 of the PSE pump in the encyclopedia)
I have had my soft close door module in the door replaced with a new one, but the pump shut's down after use because I can't hold a vacuum on the yellow line when measured at the pump from BFT. I just want to make sure BFT is actually the yellow line that goes to the front left door soft close.
If anyone suspects they know where the air leak is coming from, other than at the connection at the soft close mechanism inside the door itself, please let me know - thanks.
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