what is this part for?? - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 07-03-2006, 07:01 AM Thread Starter
BenzWorld Junior Member
Date registered: Jun 2006
Vehicle: 81 Blue 300SD
Location: Chicago burbs
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what is this part for??

Can anyone identify what this part is for? I looked on a vacuum diagram and all I found was "Check valve". I need to know if it's related to the problem I'm having with my rear brakes not working. The picture sucks, I know, but there is a piece of one of the valves missing and it looks like there should be a hose attached.

I have replaced everything on the rear brakes from the hoses back, bled them, and they still don't work. I was wondering if this missing vacuum line affects the brake booster, which may be my problem.

Thanks in advance.
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