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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. 2011 LML duramax

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  2. service 4wd

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  3. Fuel additives

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  4. Engine Oil for Alaska

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  5. ABS almost killed me

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  6. Tire Size question

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  7. Black smoke

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  8. 2004 2500 unknown lift

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  9. Suspension

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