This is a simple and reliable system. It sounds like you have a minor leak you need to trace down and fix. A vacuum schematic and a handheld vacuum tester is all you need.

Show me a system like this that someone doesn't like, and I'll show you someone who does not understand the system. This one is easy to understand, just give it a chance.

Another advantage to the system is lack of weight.

Good luck,

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Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles