Express 3500 V8-6.6L DSL Turbo (2008)
debris to enter the fuel injector inlet and damage the fuel injector.
9. Remove the fuel injector pipes.
Installation Procedure
Notice: 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.
Notice: Refer to Fastener Notice.
1. Install the fuel injector pipes.
Tighten the fittings to 41 N.m (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. Position back engine harness and install bolts to bracket at left front of engine.
Tighten the bolts to 21 N.m (15 lb ft).
4. Install the positive PCV hose/pipe.
5. Install the glow plug module and bracket.
6. Install the auxiliary generator.
7. Install the upper fan shroud.
8. Prime the fuel system. Refer to 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.
Fuel Injection Fuel Feed Pipe Replacement - Right Side
Fuel Injection Fuel Feed Pipe Replacement - Right Side
Removal Procedure
1. Remove the engine cover.
2. Remove the upper fan shroud.
3. Remove the generator.
