 Windshield Washer Electric Pump, Makes noise, but no squirt |
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| DennisV |
  Jan 10 2026, 08:35 PM
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#1
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Senior Member  Group: Members Posts: 830 Joined: 8-August 20 From: Santa Rosa, CA Member No.: 24,575 Region Association: Northern California 
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Testing the windshield washer in our 1970 914-6. When I pull the wiper / washer lever I can hear a slight thud or click and then the wipers cycle. I have confirmed the noise is the electric pump as I can feel it move slightly if I put my hand on it while someone else pulls the lever. Does that mean the pump is good, or does a good working pump make a different noise?
I've been through many threads about the squirters not working, but haven't found much discussion about the electric pump itself. Thanks. |
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| Superhawk996 |
Jan 10 2026, 08:53 PM
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#2
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914 Guru Group: Members Posts: 7,617 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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Should be a constant hum / whirring
Clunk / thunk / click isn’t right. Bench test it. |
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| porschetub |
Jan 10 2026, 08:54 PM
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#3
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Advanced Member Group: Members Posts: 4,999 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(DennisV @ Jan 11 2026, 02:35 PM)  Testing the windshield washer in our 1970 914-6. When I pull the wiper / washer lever I can hear a slight thud or click and then the wipers cycle. I have confirmed the noise is the electric pump as I can feel it move slightly if I put my hand on it while someone else pulls the lever. Does that mean the pump is good, or does a good working pump make a different noise? I've been through many threads about the squirters not working, but haven't found much discussion about the electric pump itself. Thanks. it's cheap enough as it is a 911 part shop around for the best price ,cheers. |
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| johnhora |
Jan 10 2026, 09:06 PM
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#4
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Senior Member Group: Members Posts: 899 Joined: 7-January 03 From: Derby City KY Member No.: 107 Region Association: None
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DennisV....The pumps get gummed up inside and make noise and don't do any pumping...I've actually taken them apart and removed the crud and gotten them to work. also go slow as I think I remember a little thin gasket around the perimeter of the two sides
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| rgalla9146 |
Jan 11 2026, 07:04 AM
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#5
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Advanced Member Group: Members Posts: 4,904 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None
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Original pumps are dated approximate to (but before) the cars manufacture date. I've had good luck disassembling, cleaning and reassembling them. Get the pump bracket and hardware plated while it's apart. |
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| 914Sixer |
Jan 11 2026, 07:30 AM
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#6
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914 Guru Group: Members Posts: 9,387 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Clean the whole system if you have to take pump apart.
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