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Home >> Hummer >> 2010 >> H3 V8-5.3L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Evaporative Emissions System >> Canister Purge Solenoid >> Service and Repair
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Canister Purge Solenoid: Service and Repair




Evaporative Emission Canister Purge Solenoid Valve Replacement

Removal Procedure




1. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement (Upper Intake Manifold Sight Shield Replacement).
2. Disconnect the chassis evaporative emission (EVAP) line quick connect fitting (1) from the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




3. Disconnect the engine EVAP line (1) quick connect fitting from the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




4. Disconnect the engine wiring harness electrical connector (3) from the EVAP canister purge solenoid valve.




5. Using a small flat bladed tool, disengage the retaining tab, and remove the EVAP canister purge solenoid valve (1) from the fuel rail bracket.

Installation Procedure




1. Using a small flat bladed tool, reposition the retaining tab if necessary.
2. Install the EVAP canister purge solenoid valve (1) to the fuel rail bracket.




3. Connect the engine wiring harness electrical connector (3) to the EVAP canister purge solenoid valve.




4. Connect the engine EVAP line (1) quick connect fitting to the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




5. Connect the chassis EVAP line quick connect fitting (1) to the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
6. Install the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement (Upper Intake Manifold Sight Shield Replacement).

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