K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
Evaporative Emissions Hose: Service and Repair
Canister Vent
EVAP Hoses/Pipes Replacement - Canister Vent
REMOVAL PROCEDURE
IMPORTANT:Clean all evaporative emission (EVAP) pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible
EVAP system contamination.
1. Raise and suitably support the vehicle. Refer to Vehcile Lifting.
2. If vehicle is a 1500 series, perform the following steps.
3. Disconnect the evaporative emission (EVAP) canister vent pipe (5) from the canister.
4. Remove the EVAP canister vent pipe clip (4) from the canister bracket.
5. Remove the chassis harness from the EVAP canister vent pipe clip.
6. Disconnect the EVAP canister vent pipe at the EVAP vent valve.
7. Remove the EVAP canister vent pipe from the mounting clips (6, 7).
8. Remove the EVAP canister vent pipe clip (3) from the frame.
9. Cap the EVAP vent valve and canister in order to prevent possible EVAP system contamination.
10. Remove the EVAP canister vent pipe.
11. If vehicle is a 2500 series, perform the following steps.
12. Disconnect the EVAP canister vent pipe (3) from the canister.
13. Remove the EVAP canister vent pipe clip from the canister bracket.
14. Remove the chassis harness from the EVAP canister vent pipe clip.
15. Disconnect the EVAP canister vent pipe at the EVAP vent valve.
16. Remove the EVAP canister vent pipe from the mounting clip.
17. Remove the EVAP canister vent pipe clip (2) from the frame.
18. Cap the EVAP vent valve and canister in order to prevent possible EVAP system contamination.
19. Remove the EVAP canister vent pipe.
