Quote:
Originally Posted by 65 Lamnas
The retainer does not hold the ball to its seat, or there'd be no pump shot at all.
The pump creates pressure in the system and in doing so, unseats the ball. The retainer simply limits the ball's upward travel...just far enough to expose the 2 fuel passages to the flow stream of pressurized fuel. After the pump shot, the ball drops down to the seat via gravity.. This keeps the fuel passages (to the discharge ports) full while the pump cavity refills.
When you refurbish your Qjet, use the old checkball to reform the seat, and throw the old ball away.
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If you shake your Q-Jet and do NOT hear the ball rattle, THAT"S when you have a problem...
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1977 Black Trans Am 180 HP Auto, essentially base model T/A.
I'm the original owner, purchased May 7, 1977.
Shut it off
Shut it off
Buddy, I just shut your Prius down... 
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