Thread: It's CRITICAL... how you set your transmission's vacuum system on your diesel MBZ...
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Old 11-26-2006, 11:58 AM
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Quote:
Originally Posted by dieseldan44 View Post
thanks brian!

-used the Mity vac as you said to provide supply to the system - didnt hold vacuum.

-then, isolated line that goes down to the transmission, pumped that and it didnt hold a vacuum. leaked down over a few seconds.

Modulator, right?

I have to figure out where this thing is (Ill search- that line dives down onto the top of the transmission) and how to test it.

dd
I just went out and did the same test myself. I could not get the VCV to hold a vacuum either. I even went and isolated the VCV from the rest of the vacuum system, still wouldn't hold vacuum. Is it supposed to hold, or bleed off?
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