GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 894280  Size: SH

    Caution: Do not allow smoking or the use of open flames in the area where work on the fuel or EVAP system is taking place. Anytime work is being done on the fuel system, disconnect the negative battery cable, except for those tests where battery voltage is required.

  1. Turn the ignition OFF.
  2. Disconnect the EVAP canister purge solenoid harness connector.
  3. Remove the EVAP purge solenoid manifold vacuum supply hose clamp and hose.
  4. Disconnect the EVAP purge line quick disconnect at the EVAP purge solenoid and discard the retaining clip from the EVAP line.
  5. Remove the EVAP purge solenoid by pulling it up from its airbox mount.

Installation Procedure


    Object Number: 894280  Size: SH

    Important: Always use a new quick disconnect retaining clip on the EVAP line when replacing the EVAP purge solenoid.

  1. Install the new EVAP line retaining clip to the EVAP line.
  2. Connect the EVAP purge line quick disconnect to the EVAP purge solenoid. Pull back on the EVAP line to confirm locked engagement.
  3. Connect the EVAP purge solenoid manifold vacuum line with the hose clamp.
  4. Connect the EVAP purge solenoid harness connector. Push the connector in until the lock position is felt, then pull back to confirm engagement.
  5. Install the EVAP purge solenoid over the airbox mount.