GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1392497  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 5.7L.

  2. Object Number: 419425  Size: SH
  3. Disconnect the engine vacuum pipe from the evaporative emission (EVAP) canister purge solenoid valve to intake manifold EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Disconnect the engine purge pipe from the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Remove the fuel injector wire harness retainers from the fuel rail and position aside.

  6. Object Number: 419407  Size: SH
  7. Disconnect the EVAP canister purge valve harness connector.
  8. Remove the EVAP canister purge valve from the purge bracket.

Installation Procedure


    Object Number: 419407  Size: SH
  1. Install the EVAP canister purge valve to the purge bracket.
  2. Connect the harness connector to the EVAP canister purge valve.

  3. Object Number: 419425  Size: SH
  4. Connect the fuel injector wire harness retainers to the fuel rail.
  5. Connect the engine purge pipe to the chassis purge pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Connect the engine vacuum pipe to the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service .

  7. Object Number: 1392497  Size: SH
  8. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 5.7L.