Sierra 3500 2WD V8-6.0L VIN U (2004)
4. Disconnect the fuel feed and pressure balance lines from the rear tank.
5. Cap the fuel and balance lines at the fuel tank in order to avoid possible system contamination.
6. Remove the rear fuel line bundle clip nuts.
7. Remove the rear fuel line bundle.
INSTALLATION PROCEDURE
1. Install the rear fuel line bundle.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the rear fuel line bundle clip nuts.
Tighten
Tighten the nuts to 12 N.m (106 lb in).
