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Avoiding oil pump installation failures

Posted By PF Arcand 12 Years Ago
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PF Arcand
Posted 12 Years Ago
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Thought the info below is worth making a note off:
Ran across a yellow "tag' attached to some replacement oil pumps. Considering that from time to time the subjects of oil pump leaks & broken drive rods has come up here & in Y-Blk magazine, here's what the tag says;
1) Installing the pump grommet & pickup tube.- Position the grommet on the pick up pipe & insert the pipe, jamb nut & grommet into the pump as a unit. Installing the grommet into the pump first is not recommended, as installing the pipe later may tear off a piece of the rubber & jamb it into the pump, which can cause the pump to seize. resulting in drive rod failure. 2) On aluminum Gerotor pumps.- The shortside installation bolt must not exceed 1-1/4" in length. If it does, it will jamb into the housing under the bolt, causing the rotor to seize & again break the drive rod...

Paul



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