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Leaky fuel pump (not VW)

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karmannghia60 Karmann Ghia Sucker

1,459 posts · joined Aug 2002 ·

#385287
Need help desperately. My wife's '69 Merc has a leaky electric pumpl. The outlet hose burst so I bought a new one. Had to remove the pump from the vehicle. After refitting the whole thing with the new hose, I noticed that the pump is leaking all over. On closer inspection, its leaking from where the top cover (where the pump motor is) meets the pump housing. I pulled it off again and dismantled it. I found that the motor housing was full of petrol. That can't be good, can it? I would've thought this is a dry area. Having petrol around the motor has to be extremely bad. I don't know how the petrol is getting into the pump motor housing but I can see there is a verticl hole (from where the fuel inlet is) which lines up another hole at the bottom of the pump motor housing. Should this be blocked? Why on earth would Merc Benz do this? I must be missing something. Here are couple of pics showing the pump halves and the two holes as well as the pump in car and where the leak is. Help please, the car is off the road.
http://au.pg.photos.yahoo.com/ph/rafikdous/detail?.dir=f740&.dnm=d502.jpg&.src=ph
http://au.pg.photos.yahoo.com/ph/rafikdous/detail?.dir=f740&.dnm=4e8c.jpg&.src=ph
Thanks
Raf