Gotta love that feeling when you finally nail down the problem. Or at least...it appears you have

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1982 240D 225K


1986 VW Jetta (gasoline) 379K


1988 BMW 735i 168K

I put 1400 miles on the 84 300D last week and the brakes performed perfectly. The booster was definitely the culprit.

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84 300D 255K "Mr B" ("Mr Becker")
79 300D 265K "Mrs B"
85 300TD 175K "Mali" (Sold)
74 Ford F-100 74K "Bonnie" (Sold)
67 Jeepster Commando (Sold)