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Does A GM, TH350 Xmission Have A Throttle Pressure Adjustment With Which To Adjust Shift Points?

How do I adjust shift point. It shifts too soon?

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    Yes it does!
    There is a modulator on the tranny. You can locate it because it will have a vacuum line running to it.
    If you want to make it shift later, pull off the vacuum line and there will be a small screw inside the nipple. Turn the screw about three full turns to the right / clockwise.
    If that's not good enough, turn it a couple more turns.
    Vacuum controls the shift quality and the shift timing on a TH350 xmission.
    0 0

    Tamarind 

    answered 2 years ago

    Just what I needed......Thanks a bunch!
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    Lnelsen

    Lnelsen

    commented 2 years ago

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