hoot
02-15-2004, 10:04 PM
2004 LLY Duramax:
Fuel pressure regulator:
Internal design change and external wiring connection change.
Fuel rails:
Design change to incorporate fuel pressure sensor and pressure limit valve in or on the rails.
Fuel injector:
New CRIN 2 Bosch design and injector orientation has changed to outside of the engine.
Fuel pressure sensor:
Higher pressure reading ability and sealing method changed to bite type seat.
Fuel injector return lines:
New design external to engine.
Fuel pump:
Adapter flange new design with vent, new KUEV valve settings.
FICM:(Fuel Injection Control Module)
Cooling plate change, CRIN 2 software.
ECM:(Engine Control Module)
New Delphi processor.
Cylinder Head:
Includes integrated injector tubes and modified intake port locations.
Valve Cover:
New design to accommodate injectors moving outside of the engine.
Serpentine Belt:
New material.
Turbocharger:
New VVT design from Garrett
EGR Valve:
New design controlled by DC motor and new supplier EGR cooler.
HP fuel line routing:
High pressure fuel line routing has changed due to the removal of the Function Block.
PCV System:
Design changed from open system to a closed system with fewer parts.
Intercooler design with plastic tank ends.
Glow Plugs:
New design low voltage 4.7V PWM control
Glow Plug Controller:
New design fast glow controlled by CAN, pre and post glow.
Cam Sensor:
New design and supplier Denso.
Crank Sensor:
New design and supplier Denso.
VPS:(Vane Position Sensor)
VVT turbo control.
Turbo Control Solenoid Valve:(Vane Position Sensor)
Additional component to actuate VVT turbo.
New design starter
Intake Air Heater and Function Block are gone.
Heads, High Pressure pump and injectors are specific to 2004-up engines. Edited by: hoot
Fuel pressure regulator:
Internal design change and external wiring connection change.
Fuel rails:
Design change to incorporate fuel pressure sensor and pressure limit valve in or on the rails.
Fuel injector:
New CRIN 2 Bosch design and injector orientation has changed to outside of the engine.
Fuel pressure sensor:
Higher pressure reading ability and sealing method changed to bite type seat.
Fuel injector return lines:
New design external to engine.
Fuel pump:
Adapter flange new design with vent, new KUEV valve settings.
FICM:(Fuel Injection Control Module)
Cooling plate change, CRIN 2 software.
ECM:(Engine Control Module)
New Delphi processor.
Cylinder Head:
Includes integrated injector tubes and modified intake port locations.
Valve Cover:
New design to accommodate injectors moving outside of the engine.
Serpentine Belt:
New material.
Turbocharger:
New VVT design from Garrett
EGR Valve:
New design controlled by DC motor and new supplier EGR cooler.
HP fuel line routing:
High pressure fuel line routing has changed due to the removal of the Function Block.
PCV System:
Design changed from open system to a closed system with fewer parts.
Intercooler design with plastic tank ends.
Glow Plugs:
New design low voltage 4.7V PWM control
Glow Plug Controller:
New design fast glow controlled by CAN, pre and post glow.
Cam Sensor:
New design and supplier Denso.
Crank Sensor:
New design and supplier Denso.
VPS:(Vane Position Sensor)
VVT turbo control.
Turbo Control Solenoid Valve:(Vane Position Sensor)
Additional component to actuate VVT turbo.
New design starter
Intake Air Heater and Function Block are gone.
Heads, High Pressure pump and injectors are specific to 2004-up engines. Edited by: hoot