How to prime winshield washer pump?

Discussion in 'Tech Discussion' started by 78c10bigten, Jul 3, 2018.

  1. 78c10bigten

    78c10bigten Full Access Member

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    First Name:
    ted
    Truck Year:
    1978
    Truck Model:
    C10 BIG TEN
    Engine Size:
    350
    Simple question, how do i prime the washer pump on my 78 c10? When i push the wash button should i hear a pump noise? Its intermittent wipers too.
     
  2. 1987 GMC Jimmy

    1987 GMC Jimmy Full Access Member

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    V1500 Jimmy
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    350
    When I was getting mine going with a new pump, I removed and dumped the reservoir, washed it out, cleaned the slime off the screen, reassembled, and ran the pump with the nozzle disconnected to prime the washer lines and get any nasty stuff out. When I reconnected them, I had a nozzle that was blocked so I backflushed with a syringe and needle, and it worked like new. You should definitely hear the pump when you toggle it. Don’t know if this is the textbook way, but this is what I did, and it all worked out. If you’re having issues, the idea of the remote pump inside the reservoir like 85+ trucks have is worth exploring, and I don’t think it’d be too hard to change over. People also have different ideas of what nozzles are better. Some like them in the cowl and some like them on the arm.
     
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  3. Paladin

    Paladin Full Access Member

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    I usually prime myself first!! LOL:favorites13: Helps get the creativity going!!
     
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  4. Charlie

    Charlie Full Access Member

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    350/TH350/AC/4 BBL Quadrajet
    ^^I'm with him^^...LOL
     
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  5. Honky Kong jr

    Honky Kong jr Super Sarcastic Man

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    X3 on the self priming.
     
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