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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 5.3L - Introduction >> Repair Instructions >> Evaporative Emission Line Replacement - Engine >> Removal Procedure
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Removal Procedure

IMPORTANT: Clean the tube connections and surrounding areas before disconnecting in order to avoid possible evaporative emission (EVAP) system contamination.
    Fig 1: Engine EVAP line & Quick Connect Fitting To EVAP Canister Purge Solenoid Valve
    GM1898570Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Disconnect the engine EVAP line (1) quick connect fitting from the intake manifold. Refer to 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 .
  4. Cap the intake manifold port and the EVAP canister purge solenoid valve in order to prevent possible EVAP system contamination.
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