Yukon XL 2500 2WD V8-8.1L VIN G (2004)
Fuel Return Line: Service and Repair
Fuel Hose/Pipes Assembly Replacement (Intermediate)
FUEL HOSE/PIPES ASSEMBLY REPLACEMENT (INTERMEDIATE)
REMOVAL PROCEDURE
IMPORTANT: Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to
avoid possible fuel and/or EVAP system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Remove the spare tire stowage lock cylinder.
3. Remove the spare tire.
4. Drain the rear fuel tank. Refer to Fuel Tank Draining Procedure (Front Tank) Fuel Tank Draining Procedure (Rear Tank).
5. Remove the rear exhaust insulator.