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Old 11-27-2000, 06:23 PM
Posts: n/a
I just replaced some fuel lines on my '79 300SD and when I pumped the hand pump to vent the fuel system, I had air coming out forever. I gave up on that and closed the hollow bolt on the main fuel filter, and continued pumping. My injection pump bypass valve never made an audible rattling sound. I had fuel coming out under the hand pump, so is my gasket shot and letting in air? Can I unscrew the hand pump and replace an o- ring or something? Should I replace the hand pump or is it normal for fuel to come out under it? My car seems to start and run fine.

'79 300SD (340K),'71 VW Karmann Ghia conv.,Toyota '77/'88 Land Cruiser's
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