Are you considering purchasing a used Chevy or GMC 2500HD/3500HD LML Duramax? Our latest video, "Should You Buy A Chevy/GMC 2500HD/3500HD LML Duramax?" , offers an in-depth analysis to help you make an informed decision.​

Key Points Covered in the Video:

  1. Performance and Reliability: The LML Duramax engine, produced between 2011 and 2016, is known for its robust performance and reliability. The video examines the engine's capabilities and common issues to be aware of.

  2. Fuel System Concerns: A significant focus is on the High-Pressure Fuel Pump (HPFP) and its susceptibility to failure. The video discusses the implications of HPFP issues and potential preventative measures.

  3. Emissions Equipment: The video delves into the emissions systems integrated into the LML Duramax, including the Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR). It explains how these components affect performance and maintenance.
     

  4. Maintenance Recommendations: Regular maintenance is crucial for the longevity of any vehicle. The video provides insights into the specific maintenance routines that can help keep the LML Duramax running smoothly.
     

  5. Aftermarket Support: For enthusiasts interested in performance upgrades, the video touches on the availability and impact of aftermarket parts for the LML Duramax.

  6. Cost of Ownership: An overview of the expected costs associated with owning and maintaining a Chevy/GMC LML Duramax is provided, helping potential buyers budget accordingly.
     

By watching this video, you'll gain a comprehensive understanding of what to expect from a Chevy or GMC equipped with the LML Duramax engine, aiding you in making a well-informed purchasing decision.

LML Duramax Specifications Chart

Manufactured Years: 2011-2016
Engine Design: 6.6L 90-Degree V8 Turbocharged Diesel
Transmission: 6-Speed Allison Transmission
VIN Identification:
(8th Digit of VIN)
8
Displacement: 403 Cubic Inches or 6.6 Liters
Bore: 4.055″ or 103 MM
Stroke: 3.897″ or 99 mm
Block Material: Cast Iron Block
Cylinder Head Material: Aluminum
Intake Manifold: Cast Aluminum
Crankshaft: Forged Steel, Nitride Hardened
Camshaft: Steel
Connecting Rods: Forged Steel
Compression Ratio: 16.0:1
Firing Order: 1-2-7-8-4-5-6-3
Turbocharger/Air: Garrett GT3788VA Variable Vane
Turbocharger (VVT)
Fuel Injection: Bosch High Pressure Common Rail
with CP4.2 injection pump and
Piezoelectric Injectors
Valvetrain: 32 Valve (OHV) Overhead Valve Design,
4 valves per cylinder
Engine Oil Capacity: 10 Quarts with Filter or 9.5 Liters
DEF Fluid Capacity: 5 Gallons
Cooling System Capacity: 25.4 quarts or 24 Liters
Fuel: B20 Biodiesel Blend or Ultra Low Sulfur Diesel
Fuel Tank Size: 36 Gallons Standard
Max Engine Speed: 3450
Max Braking Speed: 4800
Horsepower: 397 horsepower at 3,000 RPM
Torque: 765 Lb/Ft at 1,600 RPM
ERIC-4
By: Eric Schumann