GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1839730  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Disconnect evaporative emission (EVAP) canister purge tube quick connect fitting (1) at the upper intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect EVAP canister purge tube quick connect fitting (2) at the EVAP purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .

  4. Object Number: 1839731  Size: SH
  5. Remove the EVAP canister purge tube from under the positive crankcase ventilation (PCV) tube and from the vehicle.

Installation Procedure


    Object Number: 1839731  Size: SH
  1. Install the EVAP canister purge tube to the vehicle and route the purge tube under the PCV tube.

  2. Object Number: 1839730  Size: SH
  3. Connect EVAP canister purge tube quick connect fitting (2) at the EVAP purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Connect EVAP canister purge tube quick connect fitting (1) at the upper intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .