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Yesterday, I got a call from a buddy who purchased a new foot pump and was having trouble with it. It wasn't parking the wiper arms. He asked me to check one of them for functionality. I had 4 of these things and only one worked. The one in my car was even broken.
So, I decided to see what I could do to fix one of them. I chose the one that could pump water.
Inside is a bulb or bladder. When the button is depressed, it compresses the bladder. As the bladder expands, it engages an actuator lever that actuates the switch.
One of my pumps was already sheared in half. So, I decided to cut it up. Inside the bladder is a check valve. The one I tore apart has a broken check valve. That explains why it does not pump fluid.
So, I decided to see what I could do to fix one of them. I chose the one that could pump water.
Inside is a bulb or bladder. When the button is depressed, it compresses the bladder. As the bladder expands, it engages an actuator lever that actuates the switch.
One of my pumps was already sheared in half. So, I decided to cut it up. Inside the bladder is a check valve. The one I tore apart has a broken check valve. That explains why it does not pump fluid.
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