GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.

  2. Object Number: 308131  Size: SH
  3. Remove the air inlet tube and resonator retaining wingnut.

  4. Object Number: 308130  Size: SH
  5. Remove the air inlet tube and resonator from the throttle body by pivoting the air inlet tube and resonator upward until the hinge clip releases from the lip on the throttle body.

  6. Object Number: 309184  Size: SH
  7. Disconnect the EVAP purge line.

  8. Object Number: 309181  Size: SH
  9. Disconnect the purge solenoid electrical connector.

  10. Object Number: 309187  Size: SH
  11. Remove the purge solenoid mounting bolts.

  12. Object Number: 309179  Size: SH
  13. Remove the purge solenoid from the intake manifold.

Installation Procedure


    Object Number: 309179  Size: SH
  1. Install the purge solenoid to the intake manifold.

  2. Object Number: 309187  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the purge solenoid mounting bolts.
  4. Tighten
    Tighten the bolts to 12 N·m (9 lb ft).


    Object Number: 309181  Size: SH
  5. Connect the purge solenoid electrical connector.

  6. Object Number: 309184  Size: SH
  7. Connect the EVAP purge line.

  8. Object Number: 308130  Size: SH
  9. Align the hinge clip with the lip on the throttle body.
  10. Install the air inlet tube and resonator to the throttle body by pivoting the air inlet tube and resonator downward until the mounting stud is through the hole in the air inlet tube.


    Object Number: 308131  Size: SH
  11. Install the resonator retaining wingnut.
  12. Connect the negative battery cable.