TrailBlazer 2WD L6-4.2L VIN S (2003)
Canister Purge Control Valve: Service and Repair
EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE REPLACEMENT
REMOVAL PROCEDURE
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Disconnect the harness electrical connector (2) from the evaporative emission (EVAP) canister purge valve (1).
3. Disconnect the EVAP purge pipe from the EVAP canister purge valve.
4. Disconnect the engine vacuum pipe from the EVAP canister purge valve.
5. Remove the purge valve (2) from the purge valve mounting bracket.
6. If replacing the purge valve bracket, remove the attaching bolt (1) and purge valve bracket.
INSTALLATION PROCEDURE