John Fleming Posted July 3, 2015 Report Share Posted July 3, 2015 The P15 Plymouth 1946-48 were often used as taxi cabs. When used as a taxi a double action fule pump was comonly used. How was the vacuum partion on the pump conected to the wiper motor. There are two threaded ports on the vacuum part of the pump . One port to the front of the car one to the rear . What should be connected to each port.Any information referance or photo of a double action pump instaled on an L-head engine would be helpful . Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted July 3, 2015 Report Share Posted July 3, 2015 one side should have a filter on it and the other the hose...it also acts as a noise baffler..(look for horse hair type material in place is you do not have the later model sealed filter......do pay close attention to the very assembly procedure and disassembly for that matter of the dual action pump..improper seating will cause for early diaphragm life. Quote Link to comment Share on other sites More sharing options...
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