Sierra Denali AWD V8-6.2L (2008)
Canister Purge Solenoid: Service and Repair
Evaporative Emission Canister Purge Solenoid Valve Replacement
Removal Procedure
Important: Clean all evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting, in order to avoid possible
EVAP system contamination.
1. Remove the air cleaner outlet duct.
2. Disconnect the EVAP line quick connect fitting from the EVAP canister purge solenoid.
3. Disconnect the engine wiring harness electrical connector (2) from the EVAP canister purge solenoid.
4. Disconnect the chassis EVAP line quick connect fitting from the EVAP canister purge solenoid.