TrailBlazer 4WD L6-4.2L VIN S (2002)
Evaporative Emissions Hose: Service and Repair
EVAP Hoses/Pipes Replacement - Canister/Fuel Tank (Vapor Pipe)
REMOVAL PROCEDURE
CAUTION: Refer to Fuel and EVAP Pipe Caution in Service Precautions.
NOTE: Refer to Fuel and Evaporative Emission (EVAP) Hose/Pipe Connection Cleaning Notice in Service Precautions.
1. Remove the fuel tank.
2. Disconnect the evaporative emission (EVAP) vapor pipe at the fill limiter vent valve (3).
3. Disconnect the EVAP vapor pipe from the front rollover valve (5).
4. Remove the front retaining clip (6) from the fuel and EVAP pipes and remove the EVAP vapor pipe.
5. Disconnect the EVAP vapor pipe from the fill limiter vent valve (3).
6. Disconnect the EVAP vapor pipe from the rear rollover valve (2).
7. Remove the EVAP vapor pipe.
INSTALLATION PROCEDURE
1. Connect the fuel tank vapor pipe to the rear rollover valve (2).
2. Connect the fuel tank vapor pipe to the till limiter vent valve (3).
3. Connect the EVAP vapor pipe to the till limiter vent valve (3).
4. Install the front clip (6) to the fuel and EVAP pipes at the front of the fuel tank.
5. Connect the EVAP vapor pipe to the front rollover valve (5).
6. Install the fuel tank.