water not spraying from the lower and upper arm,

Dishwasher Repair
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1

I have whirlpool model GU1200XTLQ0 and I have problem with water not spraying from the lower and upper arm, what I’ve read is it’s probably the impeller section, so I taking the whole thing apart, I ordered the new part, not here yet, but how does the impeller that’s on the motor come apart, I read you have brake because it’s glued on, so my question how does the new goes on the motor, do I have to order the glue

Thanks for you’re help
Regards
James

3

Please can someone help me out, I received the for the impeller from appliance parts, but still have no idea how the new part stay on the shaft after removing the old one, thanks

4

Thank for the reply, yes to answer your question the motor is running fine but the copper was clogged with junk, but the impeller has plastic part that connects to the copper section to rotated, do to the junk it worn out the plastic, so I had to replace it, but my problem was the new impeller hole was made for (.2 inch) screw but the shaft of the motor is (.3 inch in diameter), so I had to enlarge using 5/16 TAP and everything is fine,
Regards
James