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down shift

  1. How to Down Shift Transmission?

    Engine and Technical Discussion
    I have a 2017 gas 3500. It's been converted to a camper and is near the GVWR. My question has to do with how to operate the transmission. I can't figure out how to get the transmission to operate in a lower gear when I need it to. When driving up steep hills sometimes the transmission remains in...
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