74 Nova windshield washer pump question

chins74

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I just removed the windshield washer pump assembly from my nova. I now understand that it is a electro/mechanical pump! My question is the metal cam that turn to allow the pump action is it driven mechanically aor is it driven electrically? I have not taken the windshild wiper motor out yet. I was hoping someone knew how the cam operated before i start taking it out! This nova is starting to come together so thanks for all your help! Chins74
 

zora

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Do you see a worm gear coming out of the motor which engages a large circular gear that turns the cam?
 

chins74

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Thanks Zora!! So the cam is mechanically driven off the wiper motor by gears. It sounds like i have a gear issue because the wipers work but the cam does not turn. Thanks for the help!! Chins74
 

chins74

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well got it all apart relubed and back working! What a engineering nightmare!
 
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