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post #11 of (permalink) Old 08-16-2016, 12:02 AM Thread Starter
SChalmers
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Date registered: Nov 2010
Vehicle: 1988 Mercedes 300CE, 1998 E430(sold), 2000 S430, 2003 S55, 1998 VW Golf(sold)
Location: Toronto Canada
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Quote:
Originally Posted by prs600 View Post
Since it was all working properly before the engine rebuild, I think your problem may just be the re-priming the ABC pump. Do you have access to STAR? If yes, you can easily monitor the ABC system pressure - normal pressure must be ~180-200 bar. When the pump isn't primed, the system pressure is very low and ABC goes into lockdown mode. In this case you will see pressure values of 10-20 bars or something like that.

To prime the pump, you need to pre-pressurize the tank to about 1 bar. Refer to the post here.

While you are at it, it would be a good idea to check the colour of ABC fluid in the tank. It should be light green. A brownish colour with burnt smell indicates very old fluid that must be flushed immediately.
I only have a Carsoft 7.4 and the Xdiag 431. I will try and pressurize the tank and see if that helps.
The fluid in the tank is new, the old fluid was decent.
Cheers
Scott

I would rather push a Benz then drive anything else.


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