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5.5” zone lift

  1. Colorado Diesel Transmission
    I have a 2016 2.8 with a 5.5” Zone Lift/33” tires. I am experiencing harsh grinding in the drivetrain (feels like it is coming from the transfer case right under the floor) when I accelerate from a stop with a load/towing a trailer. Problem is produced regardless of being in auto 4wd, 4x4...
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