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  1. G

    2Hi to 4Lo by itself

    2007 KJ 2.8CRD Ltd Auto. Had piston ring failure in #4, engine lifted out, repaired and replaced. Included transmission removal and reinstallation. 300-400 mi down the road, incl. a lot of 4Hi use (snow), felt occasional loss of power, which turned out to be the car shifting from 2Hi to 4Lo...
  2. G

    What gear oils?

    I drive a 07 CRD (2.8) Ltd. At 40000mi I will be changing all gear oils (diffs, transfer, transmission). I have been recommended by the independent Jeep guy who will take care of this to fill both diffs (front/rear) w/ 75W-140 rather then the recommended 80W-90 / 75W-90 (f / r). Reason is that...

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