Express 2500 V8-6.6L DSL Turbo (2010)
7. Install the fuel return hose clips (1).
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.
8. Install the left fuel injector pipes and tighten to 41 Nm (30 lb ft).
9. 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.
