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04 K1500 - Diagnostic readout on dash

Discussion in 'GM Powertrain' started by itsme4now, Nov 14, 2007.

  1. itsme4now

    itsme4now New Member

    All,

    Let me first introduce myself - I'm a new member here, but not new to forums. - I'm not a huge gearnut as I used to be except with bikes. - I used to build and play with 4 wheel drives all the time - Personally and I worked at a shop. - Mostly bowtie stuff

    Got a question regarding the dash disply - My 2004 came up with a code this A.M. that said Service 4WD - Just looked down and it was on the display. - After re-start it hasn't came back. -

    Also, I plan to do a service this weekend so what diff fluid does the front and rear require? - it is a posi, but I don't know if they are clutch type carriers or not?

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