Express 2500 V8-6.6L DSL Turbo (2010)
of debris.
5. Spray lithium grease, GM P/N 12346293 or equivalent, between the fuel injector line and fittings to assist in containing any debris during removal.
Caution: DO NOT use compressed air to clean debris from the fuel injector inlet after the fuel line is removed. Using compressed air can allow
debris to enter the fuel injector inlet and damage the fuel injector.
6. Remove the fuel injector pipes.
Installation Procedure
Caution: Ensure proper torquing of the fuel injector line. An under-torqued fuel injector line will not seal properly and an over-torqued fuel injector
line may damage the fuel injector fitting. An improperly sealed or damaged fuel injector line or fuel injector fitting will cause a fuel leak.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
1. Install the fuel injector pipes. Tighten the fittings to 41 Nm (30 lb ft).
2. 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.
3. Install the generator. Refer to Generator Replacement (V6) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (V8) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (LMM) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (LGH) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement).
4. Install the upper fan shroud. Refer to Generator Replacement (V6) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (V8) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (LMM) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement)Generator Replacement (LGH) (See: Starting and Charging/Charging System/Alternator/Service and
Repair/Generator Replacement).
5. Prime the fuel system. Refer to Fuel System Priming (See: Service and Repair/Fuel System Priming).
6. Start the engine.
If the engine stalls, repeat the above step.
7. Inspect the fuel system for fuel leaks.
VIN L
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).
