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Stumped? Post your question here for GM Master Techs. Serious inquiries only. Please include your VIN and codes. 



*-This is not offical vehicle service advice. Please see your dealer for any serious or safety related issues.


16,054 topics in this forum

  1. Mylink question

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    • 0 replies
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  2. wiring prob.

    • 6 replies
    • 2.2k views
    • 11 replies
    • 2.6k views
  3. Max Trailer Pkg or Not

    • 10 replies
    • 2.9k views
  4. Rear brake issue

    • 6 replies
    • 2.3k views
  5. auto lock

    • 2 replies
    • 2.2k views
    • 1 reply
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    • 14 replies
    • 2.7k views
    • 0 replies
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    • 8 replies
    • 2.4k views
    • 5 replies
    • 10.2k views
  6. Build Sheets 1 2

    • 18 replies
    • 12k views
    • 2 replies
    • 3k views
  7. Humm, Bearings or tires 1 2

    • 15 replies
    • 3.2k views
    • 4 replies
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    • 4.8k views
    • 1 reply
    • 1.9k views
  8. Voiding warranties

    • 2 replies
    • 2.2k views
    • 2 replies
    • 2.3k views
  9. 2003 GMC Sonoma P0302 4.3l

    • 11 replies
    • 3.2k views
  10. AC fan not working

    • 3 replies
    • 2.1k views
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