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Thread: Torque converter holding engine back

  1. #1
    Potential Tuner
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    Oct 2018
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    Torque converter holding engine back

    Truck won?t accelerate at all at low speed.
    But if I jack wheels up I can accelerate.
    What do you guys think 💭 💭

  2. #2
    Tuner in Training
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    Quote Originally Posted by Ap_performance View Post
    Truck won?t accelerate at all at low speed.
    But if I jack wheels up I can accelerate.
    What do you guys think �� ��
    Any other details?

  3. #3
    Tuning Addict 5FDP's Avatar
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    May 2012
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    Rogers, MN
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    10/10 for information.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  4. #4
    Potential Tuner
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    Oct 2018
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    Lol 😂ok. It?s a lq4 with a th350 and the engine idles and revs strong through all rpm ranges but in drive it rpms drop to about 500 rpm and sounds like the ( clutch engaging in a manual). It made a noise but it stopped. But idk it has no power in low speed

  5. #5
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    Quote Originally Posted by Ap_performance View Post
    Lol 😂ok. It?s a lq4 with a th350 and the engine idles and revs strong through all rpm ranges but in drive it rpms drop to about 500 rpm and sounds like the ( clutch engaging in a manual). It made a noise but it stopped. But idk it has no power in low speed
    To sum it up in technical terms. It sounds like the tranny's shot .