Installation Procedure
- Install the fuel injector pipes (2). Tighten the fittings to 30 N.m (22 lb ft).
- 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.
- Install the fuel pipe bracket fasteners (1) and tighten to 10 N.m (89 lb in).
- Remove the indirect fuel injector. Refer to Indirect Fuel Injector Replacement .
- Remove the EGR cooler. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .
- Prime the fuel system. Refer to Fuel System Priming .
- Start the engine.
If the engine stalls, repeat the above step.
- Inspect the fuel system for fuel leaks.
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 .