Express 2500 V8-6.6L DSL Turbo (2010)
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
1. Install the fuel injector pipes (2). Tighten the fittings to 30 Nm (22 lb ft).
2. Install the fuel pipe bracket fasteners (1) and tighten to 10 Nm (89 lb in).
3. After installing the fuel injector pipes, clean the injector pipes and apply sealant GM P/N 97720043, at the fittings to prevent moisture and debris
from collecting between the line and fitting.
4. Install the positive PCV hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Regulator Valve to Separator) (See:
Emission Control Systems/Positive Crankcase Ventilation/PCV Valve Hose/Service and Repair/Positive Crankcase Ventilation Hose/Pipe/Tube
Replacement (Regulator Valve to Separator))Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Oil Separator to Oil Pan) (See:
Emission Control Systems/Positive Crankcase Ventilation/PCV Valve Hose/Service and Repair/Positive Crankcase Ventilation Hose/Pipe/Tube
Replacement (Oil Separator to Oil Pan)).
5. Install the glow plug module and bracket. Refer to Glow Plug Control Module Replacement (See: Glow Plug System/Glow Plug Control
Module/Service and Repair/Glow Plug Control Module Replacement).
6. Install the auxiliary generator. Refer to Auxiliary Generator Replacement (KD9) (See: Starting and Charging/Charging System/Alternator/Service
and Repair/Auxiliary Generator Replacement (KD9)).
7. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) (See: Engine, Cooling
and Exhaust/Cooling System/Fan Shroud/Service and Repair/Engine Coolant Fan Upper Shroud Replacement) Engine Coolant Fan Upper Shroud
Replacement (Diesel) (See: Engine, Cooling and Exhaust/Cooling System/Fan Shroud/Service and Repair/Engine Coolant Fan Upper Shroud
Replacement).
8. Prime the fuel system. Refer to Fuel System Priming (See: Service and Repair/Fuel System Priming).
9. Start the engine.
If the engine stalls, repeat the above step.
10. Inspect the fuel system for fuel leaks.
11. Install the engine cover. Refer to Engine Cover Replacement (See: Body and Frame/Access Cover/Service and Repair).
VIN 6
Fuel Injection Fuel Feed Pipe Replacement - Left Side
Removal Procedure
1. Remove the engine cover. Refer to Engine Cover Replacement (See: Body and Frame/Access Cover/Service and Repair).
2. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) (See: Engine,
Cooling and Exhaust/Cooling System/Fan Shroud/Service and Repair/Engine Coolant Fan Upper Shroud Replacement) Engine Coolant Fan Upper
Shroud Replacement (Diesel) (See: Engine, Cooling and Exhaust/Cooling System/Fan Shroud/Service and Repair/Engine Coolant Fan Upper
Shroud Replacement).
3. If equipped, remove the auxiliary generator. Refer to Auxiliary Generator Replacement (KD9) (See: Starting and Charging/Charging
System/Alternator/Service and Repair/Auxiliary Generator Replacement (KD9)).
4. Remove the glow plug module and bracket Refer to Glow Plug Control Module Replacement (See: Glow Plug System/Glow Plug Control
Module/Service and Repair/Glow Plug Control Module Replacement).
5. Remove the positive crankcase ventilation (PCV) hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (See:
