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Thread: p38 dhse auto gearbox problems

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    Trainee roryj's Avatar
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    Unhappy p38 dhse auto gearbox problems

    Ok I bought my 2000 dhse with a gearbox failure so I picked up a good replacement box and fitted it with problems then all of a sudden after about 3'000 miles, the flex plate cracked and damaged the bell housing.
    so I ripped it again new flex plat fitted and new fly wheel anlso new bell housing gasket. all went great loved the drive and car untill a hollow noise a bit like a hole intake manifold very loud! which foxed me and 2 other mechanics. then the flex plate cracked again which was the cause of the noise. so again I removed the box and fitted new flexplate fitted two weeks ago.now after only 800 mls noise again and flexplate obvousliy about to go again.
    as sound is from bell houing area.
    Question is has anyone had the same issue? what do I do next. i.e is it the torque converter,spacer from the flywheel/flex plate adapter, output shaft, I am at a loss as to what is causing the probem.
    On advice from a landrover dealer replaced the bell housing dowels too the last time I ripped it.
    I am asuming an inbalance somewhere but somewhat confused.

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    Trainee roryj's Avatar
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    Default Re: p38 dhse auto gearbox problems

    I think I have this problem worked out.
    when the drive plate broke the first time (reason still unclear) I had to replace the torque converter a sit was damaged by the plate, I used the one from the old box which appeared to be ok its likely that this converter is bad as the noise/rattle decreases when the engine speed is increased suggesting a problem with the converter.
    Hopefully I will solve this now.
    if any one has other suggestions please let me know thx rory

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