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  1. #1

    Default Rear port bag slow to fill on SA400 2019

    One of my rear bags is taking twice as long to fill as the other. Normally 7 mins now up to 15.
    Any tips on removing blockages or inspecting the impeller? E.g where is impeller


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  2. #2
    Join Date
    May 2018
    Posts
    4,360

    Default

    My guess is one of your pumps is down or impeller is shredded. LOL I think the rear pumps are accessible through the transmission hatch.

    How many hours on the boat?


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    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  3. #3

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    75 hrs on the boat


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  4. #4
    Join Date
    May 2018
    Posts
    4,360

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    I doubt with 75 hours it needs impeller replacement.


    My guess is pump tripped a breaker switch


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    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  5. #5
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    2,487

    Default Rear port bag slow to fill on SA400 2019

    Are 2 pumps per bag turning on? Try each section one at a time.

    If so, I would insert new impellers.

    In my 2018 SL, center has 2 pumps for the front bag.

    Trans Hatch has 2 pumps.
    The area between the back seat and locker has the other two pumps - underneath. Those 4 pumps control the back locker bags - actually sub floor bags.


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    2018 Supra SL400

  6. #6
    Join Date
    Apr 2020
    Location
    Prince George Canada
    Posts
    232

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    Had a similar problem with my boat that was repaired under warranty. Only one of the pumps was working. Took 9 1/2 minutes to fill instead of 5 1/2 for the other bag. I removed the back panel to access the pumps and confirmed one wasn’t working. Swapped the wiring to see if it was the pump or the wiring. The pump was fine so I contacted the dealer to find the short.
    2020 Moomba Mojo
    2008 Mastercraft Prostar 197 40th Anniversary
    Owner Ness Lake Watersports

  7. #7

    Default

    Quote Originally Posted by Tommy2slow View Post
    Had a similar problem with my boat that was repaired under warranty. Only one of the pumps was working. Took 9 1/2 minutes to fill instead of 5 1/2 for the other bag. I removed the back panel to access the pumps and confirmed one wasnít working. Swapped the wiring to see if it was the pump or the wiring. The pump was fine so I contacted the dealer to find the short.
    Thanks. Iíll see what the dealer can do for me.


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  8. #8

    Default

    To close the loop in this one, the plastic impeller was half gone, itís considered wear and tear so warranty did not cover it.


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  9. #9
    Join Date
    May 2018
    Posts
    4,360

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    https://youtu.be/ECv1VwW6RTo

    Fast forward to 1:00 mark, just a visual on how the ballast pumps work and you can see why they wear out, especially if they run dry.

    Easy to maintain/replace impellers every few years.


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  10. #10
    Join Date
    Jun 2020
    Location
    Utah
    Posts
    148

    Default

    Quote Originally Posted by larry_arizona View Post
    https://youtu.be/ECv1VwW6RTo

    Fast forward to 1:00 mark, just a visual on how the ballast pumps work and you can see why they wear out, especially if they run dry.

    Easy to maintain/replace impellers every few years.


    Sent from my iPhone using Tapatalk
    It would be really nice to have those clear covers on the pumps so you could see the condition of the impeller while pumping and quickly see if you have anything obstructing flow.


    2016 Moomba Mojo Surf Edition
    2000 Sharpe Houseboat 70x16 (Lives at Lake Powell)

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