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2000-2014 Duramax, Diesel, & Drivetrain

All GMT-800/900 diesel engine, transmission, and drivetrain specific discussion. Focusing on the 6,6L Duramax V8 & somewhat the 6.0L gas engine. Includes RPO coded engines, LB7, LLY, LMM, LMK, LML, & LGH

316 topics in this forum

  1. Parasitic draw

    • 4 replies
    • 167 views
    • 1 reply
    • 73 views
    • 5 replies
    • 184 views
    • 0 replies
    • 65 views
  2. Electrical issue

    • 1 reply
    • 80 views
    • 0 replies
    • 65 views
    • 3 replies
    • 96 views
  3. Possible BCM issues?

    • 1 reply
    • 262 views
    • 3 replies
    • 232 views
    • 0 replies
    • 70 views
    • 0 replies
    • 99 views
    • 0 replies
    • 91 views
    • 2 replies
    • 140 views
  4. Tow Mirrors

    • 4 replies
    • 182 views
    • 1 reply
    • 143 views
  5. Horn Circuit Short

    • 0 replies
    • 112 views
    • 1 reply
    • 180 views
  6. 2007.5 HELP!

    • 0 replies
    • 144 views
  7. Oil life %

    • 3 replies
    • 469 views
  8. egine swaos

    • 0 replies
    • 179 views
  9. LBZ NO REVERSE LIGHTS

    • 0 replies
    • 185 views
    • 2 replies
    • 185 views
  10. Ac won’t work at all

    • 2 replies
    • 170 views
  11. First time diesel owner

    • 3 replies
    • 284 views
    • 2 replies
    • 225 views
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