Quote:
Originally Posted by Phil
When you pump the primer pump enough you should be able to hear fuel coming back through the return and if you do I'd just leave it. As you say maybe it's some kind of check valve that they thought might fix a leaking primer pump or something, it would be interesting to find out.
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Based upon my experience with these new pumps I would say it is pumping...there is definitely resistance once it got primed and you can hear the characteristic squeeel of the fuel in the lines.