Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
4. Notice: Refer to Fastener Notice in Service Precautions.
Tighten the upper valve rocker arm cover bolts in the sequence shown.
Tighten the bolts to 8 Nm (71 inch lbs.).
5. 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.
Install the fuel injector pipes.
Tighten the pipes to 41 Nm (30 ft. lbs.).
6. 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.
