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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


570 topics in this forum

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  1. p0677 engine code

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  2. Engine troubles

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  3. Fuel Guage Problem

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  4. Dmax Exhaust

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  5. need help...

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  6. Tcc Lockup Speed, 4l80#

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  7. Tuner For 2010 Lmm

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  8. 2006 Duramax

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  9. D Max Questions

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  10. Higher Egt's On The Lml

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