Duramax 6600 6.6L V8 Diesel | Chevy Silverado and GMC Sierra Forum

Sticky What is the best Duramax engine of all time?

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Sticky OFFICIAL Duramax cold start videos!

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by starspangled6.0

Duramax LML EGR Bypass Valve Plastic Gear

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Getting code PO191

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Cold Start question?

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P2563 and P003A

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low coolant warning

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Love it and hate it

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by vilord

Fuel Filter Recommendations 2021 L5P

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by 01-1500-base

$4,000 Duramax glow plug problems "not uncommon" per Chevy

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Low quality DEF

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Fan Clutch

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New 2500 Sierra Starting Issues

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Need help identifying front differential

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2004 Chevy Silverado 2500hd diesel is hesitating after star and in gear

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Help

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Excessive DEF Usage

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Strange leak i can't figure out (yet)

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by showme

New to diesels. Just bought a 2006 LBZ

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Pushlock Connector

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by Judman

White smoke some times

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Engine Bay Hoses

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by davester3500

2019 High Country 35,000 later!

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Duramax Mileage

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What do you think?

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6.6L Duramax weird stalling problem

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by geocal

Air locked reservoir

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2020 Chevy Silverado 2500 6.6 durmax

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lightening storm

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by Leveled17yeti

P02D7 Code. Injector?

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Low coolant message, but came back on after i re-filled the reservoir. How do i change the sensor?

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by showme

Coolant low warning

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by showme

Dealership frustration

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by Leveled17yeti

2020 L5P Duramax Problems

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by Leveled17yeti

Ouch.. engine quality leads to GM buy back 6.6s

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by ikoolu

LB7 Injector knock?

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Looking for center of gravity.

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