Silverado Classic 1500 4WD V8-5.3L Hybrid (2007)
Evaporative Emissions Hose: Service and Repair
Evaporative Emission (EVAP) Hoses/Pipes Replacement - Chassis (1500 Crew Cab)
EVAPORATIVE EMISSION HOSE/PIPE REPLACEMENT - CHASSIS (1500 CREW CAB)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in
order to avoid possible system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) Fuel Pressure Relief (Without CH 48027).
2. Disconnect the fuel feed line (1) fitting at the engine.
3. Disconnect the EVAP canister purge tube (2) fitting.
4. Cap the fuel rail and EVAP lines in order to avoid possible system contamination.
5. Raise and support the vehicle. Refer to Vehicle Lifting.
6. Remove the fuel pipe bracket nut.
7. Remove the fuel pipe bracket from the bellhousing stud.
8. Remove the heated oxygen (HO2S) sensor connector from the bracket.
