Sierra 2500 Denali 2WD V8-6.0L (2011)
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. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Fuel Delivery and Air Induction/Air Cleaner
Housing/Air Cleaner Fresh Air Duct/Hose/Service and Repair).
2. Disconnect the EVAP line quick connect fitting from the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service (
See: Fuel Delivery and Air Induction/Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting Service).
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. Refer to Plastic Collar Quick Connect Fitting
