L322 torque converter
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Thread: L322 torque converter

  1. #1
    FRESHMAN ROVER Nathanh007's Avatar
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    March 25th, 2019
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    L322 torque converter

    Hi all I lost drive on my 2004 3.0td6 Saturday I’ve dropped the pan and found metal dust/fillings in the fluid I’m pretty certain it’s the lock up clutch plate that’s worn away in the torque converter the question is do I get torque converter reconditioned and hope it’s ok do I need to do anything else apart from flush the gearbox to get rid of of any other contamination and hope the gearbox is ok many thanks Nathan
    Range Rover 2004 3.0td6
    suffolk
    England

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  3. #2
    LEGACY VENDOR
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    Re: L322 torque converter

    Hi Nathan, and welcome to the forum.

    I admire your optimism, but the lock-up clutch failure is a symptom rather than the cause of your problem. If you just clean out the glitter and have the converter re-manufactured you’ll just be back to having the same problem in a few thousand miles (could be 5,000 if you’re unlucky or 25,000 if you’re lucky) because the cause is wear in the valve body assembly caused by GM manufacturing the aluminium blocks from soft cheese. Spool oscillation in the valve blocks causes them to wear their bores, allowing the valves to leak and cross-talk. This leads to reduced hydraulic pressures on the clutches, allowing them to slip & wear. The first to go is invariably the torque converter lock-up clutch.





    You don’t say in your signature where in the World you are?

    Phil

  4. #3
    FRESHMAN ROVER Nathanh007's Avatar
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    March 25th, 2019
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    Hi Phil I’m from good old Suffolk,so can I replace the valve bodies aswell ? Or isn’t it that easy
    Range Rover 2004 3.0td6
    suffolk
    England

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  6. #4
    LEGACY VENDOR
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    Re: L322 torque converter

    I’d recommend that you remove the valve body assembly and send it to Pete Stirrup for testing (https://www.valvebodyuk.co.uk/). He can fit replacement Sonnax valves where necessary and return it to you in full operating condition.







    Regarding the torque converter, I would send it to either JPAT (http://jpat.co.uk/torque-converter-remanfacture.html) or Sussex Auto Parts (https://www.sussexautos.co.uk/torque-converters.php) for re-manufacture.

    Phil

  7. #5
    FRESHMAN ROVER Nathanh007's Avatar
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    March 25th, 2019
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    Ok many thanks for your time and passing on your knowledge 👍😁
    Range Rover 2004 3.0td6
    suffolk
    England

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