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Thread: Johnson's water pump upgrade

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    Johnson's water pump upgrade

    Just wondering if anyone has upgraded the water pump in their td42.
    Mine gets hot when going up big hills on hot days (fully loaded with 5 people and roof rack etc)
    If you go a bit easier and cruise up in 3rd it's ok but doesn't like foot to the floor in 4th or 5th trying to maintain speed.

    Johnson's performance center has a pump that flows 40% better than standard and apparently pretty much solves the issue and just want to know everyone's thoughts.

    Thanks in advance for any advice

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    The 747 Winnie's Avatar
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    That pump won't help you, you are far better off using a better fan. UFI are using a pajero fan and hub which seems to work by all accounts.
    Qikazz 4x4 in Pakenham have a similar product at a much lower price too.

    Sent from my SM-G960F using Tapatalk

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    No worries.. I thought about the fan upgrade but surely doing 60+km/h produces more air flow than the fan ever could

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    Quote Originally Posted by stewc1986 View Post
    No worries.. I thought about the fan upgrade but surely doing 60+km/h produces more air flow than the fan ever could
    Nah not true. Those fans move an absolute crap load of air, I haven't got one but it's on the list. I figure winter is nearly here so I have 6 months to get ready for it haha. @AB is running one on his gq and has had some pretty awesome results.

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    Patrol God threedogs's Avatar
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    Would the twin EA ford fans be of help.
    you need to keep the foam around the radiator in place
    so it draws air the right way
    OOI what radiator do you have??
    Last edited by threedogs; 20th April 2019 at 09:27 AM.
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    Have you tried playing around with the viscous hub oil levels? Cheapest place to start first. Under $20 for a few bottles from toyota. Makes the hub lock up little bit sooner. @mudski is a master at this.

    I have a JPC pump on my TD. I got it put on while my cooling system got overhauled, even though I never had overheating problems.
    The JPC pump didn't lower my temps overall. However , where I found the difference was , that the temperatures recover much quicker after the motor gets pushed.

    What DID lower my temps, was adding oil (as I mentioned above) to my viscous hub after also installing a G35 fan. This combination considerably improved my temperatures.

    AGAIN, this was my experience, while never having any overheating issues in the first place.
    2005 TD42TI

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    JPC's pump is not the silver bullet for TD overheating issues. But it will certainly help.

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