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  1. R

    Brakes drag on D4 H LGP

    I found that the brakes come on with the lack of pressure. When you take the brakes off it applys pressure and releases them. The first place to start is you adjustment on the parking brake linkage. Make sure that all the swivels are free. You really need to Buy the adaptor from CAT so you can...
  2. R

    Trim valve on D4h lgp

    Is there a trim valve on a D4 when going from forward to reverse and back for smother shifts. The parking advice was right on the money. Thanks so much.
  3. R

    Brakes drag on D4 H LGP

    Working on a 1999 D4 H LGP and after about a hour of dozing the brakes start dragging and the transmission on starts getting hot
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