GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1825535  Size: SH
  1. Disconnect the chassis evaporative emission (EVAP) line quick connect fitting (2) from the purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

  2. Object Number: 1825525  Size: SH
  3. Disconnect the engine wiring harness electrical connector (1) from the EVAP canister purge solenoid.

  4. Object Number: 1825560  Size: SH
  5. Remove the EVAP canister purge solenoid bolt (6).
  6. Remove the EVAP canister purge solenoid (5).
  7. Remove the EVAP canister purge solenoid O-ring seal (4), if necessary.
  8. Inspect for carbon release in the EVAP canister purge solenoid ports. If there is any loose carbon, replace the EVAP canister and any components necessary to remove the carbon particles.

Installation Procedure


    Object Number: 1825560  Size: SH
  1. Install the EVAP canister purge solenoid O-ring seal (4) to the solenoid, if necessary.
  2. Lubricate the O-ring seal with clean engine oil.
  3. Install the EVAP canister purge solenoid to the intake manifold.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the EVAP canister purge solenoid bolt and tighten to 10 N·m (89 lb in).

  6. Object Number: 1825525  Size: SH
  7. Connect the engine wiring harness electrical connector (1) to the EVAP canister purge solenoid.

  8. Object Number: 1825535  Size: SH
  9. Connect the chassis EVAP line quick connect fitting (2) to the purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.