GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express 🢒 Engine 🢒 Engine Controls and Fuel - 4.3L 🢒 Evaporative Emission Hoses/Pipes Replacement - Engine

Removal Procedure

    Object Number: 1947274 Size: SH
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Clean the evaporative emission (EVAP) pipe connections and the surrounding areas before disconnecting in order to avoid possible contamination of the EVAP system.
  3. Disconnect the EVAP pipe quick connect fitting from the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Disconnect the EVAP pipe quick connect fitting from the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Remove the EVAP pipe (1) from the vehicle.
  6. Cap the EVAP canister purge valve and the chassis EVAP pipe in order to prevent possible EVAP system contamination.

Installation Procedure

    Object Number: 1947274 Size: SH
  1. Remove the caps from the EVAP canister purge valve and the chassis EVAP pipe.
  2. Connect the EVAP pipe (1) quick connect fitting to the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Connect the EVAP pipe (1) quick connect fitting to the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Install the engine cover. Refer to Engine Cover Replacement .