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DBabbitt DBabbitt is offline
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Join Date: Sep 2017
Posts: 21
I found the leak, whether it is supposed to or not I don't know, but it occurs for an hour at the return line to the tank at the fuel distributor. You can see the gas in the clear fuel test line about 20 minutes into the drain down. The accumulator unloads itself through the distributor via two pressure paths, perhaps directly through it or out to the warm up compensator and back to the tank via the distributor. Takes an hour to do it.

Of course, takes around one to two minutes of running the engine to fill it back up again and charge the accumulator. Again, this is on a VW Rabbit, 1978, CIS. I need to learn about the passages in and around the pressure regulator, how the piston and O-rings work.


Old 10-14-2017, 06:02 PM
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