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  1. G

    new here with a 99

    I've read a lot of eye opening scenarios already in twenty minutes. just had a mechanic change idler arm pitman and tie rod. when i dropped it off i told him there was a knocking sound in the front end when i would turn left and hit the smallest of bumps. there was also some play in the...
  2. G

    Service 4WD light on 99 Tahoe

    99 tahoe service 4wd light did some reading and found out how to get flash codes for 4wd. my problem is there is no pin 13. it is empty. the troubleshooting guide said to ground pin 13 in the data link connector but it is empty?
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