filthyfingers

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May 20, 2026

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    filthyfingers replied to the thread 02 Envoy shudders off the line.

    Update - After several drives my wife and I agree (we’re 75 and seldom agree on anything) that the transmission shifts as it should and the shuddering is most evident when going uphill at low...

    May 14, 2026
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    filthyfingers replied to the thread 02 Envoy shudders off the line.

    Thanks A.O. any everyone. I’ll look into that dongle.

    Apr 1, 2026
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    filthyfingers replied to the thread 02 Envoy shudders off the line.

    Transmission fluid looks fine on the dipstick but hasn’t had a filter change in years. I’ll look into that. Thanks Mooseman.

    Mar 31, 2026
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    filthyfingers replied to the thread 02 Envoy shudders off the line.

    Good thought thanks.

    Mar 30, 2026
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    filthyfingers posted the thread 02 Envoy shudders off the line in Vortec 4.2L I-6.

    Wife’s 2002 Envoy with 150k just started shuddering off the line then smooths out but still has a slight vibration. Not sure if this is a drivetrain or engine problem. We are the original owners...

    Mar 30, 2026

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