Silverado SS AWD V8-6.0L VIN N (2003)
Evaporative Emissions Hose: Service and Repair
Chassis
Evaporative Emission (EVAP) Hoses/Pipes Replacement - Chassis
REMOVAL PROCEDURE
IMPORTANT:Clean the fuel/EVAP pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel/EVAP
system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
See: Fuel Delivery and Air Induction/Fuel Filter/Fuel Pressure Release
2. Disconnect the fuel feed and return pipes (1) at the fuel rail.
3. Disconnect the evaporative emission (EVAP) canister purge tube (3).
4. Cap the fuel rail and EVAP pipes in order to prevent possible fuel/EVAP system contamination.
5. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
6. Remove the fuel hose/pipe bracket nut (2).
7. Remove the fuel hose/pipe bracket from the bellhousing stud.
8. Remove the heated oxygen sensor (HO2S) sensor connector from the bracket.
9. Remove the fuel hose/pipe clip from the bracket on the automatic transmission.
10. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
11. Remove the clip from the bracket on the frame.
12. Remove the transfer case harness from the clip bracket.
13. Remove the EVAP canister.
