Recent content by lasallen

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    Here is Lifter (AFM) Solution on 2021+

    GM is not involved, trifecta has unlocked the global b pcm
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    Here is Lifter (AFM) Solution on 2021+

    They are not authorized
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    Here is Lifter (AFM) Solution on 2021+

    AFM is deactivated with the tune
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    Here is Lifter (AFM) Solution on 2021+

    Installed myself. Whipple does offer a 3y 36k mile warranty for $600
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    Here is Lifter (AFM) Solution on 2021+

    ;);), still original lifters. Active Fuel Management is disabled.
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    2022 Tahoe engine tick (recording). Please help identify possible root cause.

    I brought my at4 in for the same tick, dealer said injectors
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    Here is Lifter (AFM) Solution on 2021+

    Here is your current solution to AFM with a few other benefits. 2021 Yukon AT4
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    Which build months are safe from lifter problems?

    17850 miles and 9/20 build date, no problems
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    Which build months are safe from lifter problems?

    I was thinking the same, just wondering if reading these post cause us to worry more than necessary.
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    Which build months are safe from lifter problems?

    If we were to quantify how many lifter failures vs how many 2021's are out there, what would be the percentage of failures?
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    3000 mile round trip to Florida and the engine held up

    TPMS sensors will relearn after a period of time on the road
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    AT4 XL - Largest Tires?

    I would imagine the ride quality would be terrible by having it lifted 2" by increasing the pressure in the air bags
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    AT4 XL - Largest Tires?

    Please let us know how it works out.
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    What did you do to your 21+ T1XX today?

    At4's come blacked out already. They only thing I bought was the blacked out badges
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    AT4 XL - Largest Tires?

    https://edgymods.com/

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