These parts are not designed to be serviced internally. i would hate to see a bunch of you spending the next year or two filling these pages with questions how to make your car run right again after such an adventure.

My guess is that no more than a few distributers ever get put back together with the original design criteria intact. That diagphram is stretched by the spring underneath and thoroughly resists returning to its exact position. The diagphram plays a central part in the action of the differential pressure valves (the six holes with springs are part of the diff press valves). The diaphram has to be exactly in its original position or the spring rate will change between valves, just one of the smaller more long term problems.

As far as I'm concerned this is the simplest fuel distribution system man ever created (for a multi cylinder engine). If you obey a few rules they are a piece of cake. My first rule is don't waste time taking it apart. I have doe it for fun and to try and fix my own stuff. All I ever accomplished was wasting time and a little education. The best I have ever done was to put one back together and have it run. I have never fixed a problem inside.

I hope I don't get too involved trying to help someone test a car that has had its distributer apart. So if you do this please include it in the data of your following posts as to your problems

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician