GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Evaporative Emission Canister Purge Solenoid Valve Replacement

Removal Procedure

    Object Number: 869711 Size: SH
  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  2. Disconnect the evaporative emission (EVAP) purge pipe.

    3. Object Number: 782178 Size: SH
  3. Disconnect the purge solenoid electrical connector (1).

    4. Object Number: 309187 Size: SH
  4. Remove the purge solenoid nuts.
  5. Remove the engine wiring harness bracket from the stud.

    6. Object Number: 309179 Size: SH
  6. 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. Install the engine wiring harness bracket to the stud.

    3. 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 nuts.

    4. Tighten
    Tighten the nuts to 12 N·m (106 lb in).


    Object Number: 782178 Size: SH
  4. Connect the purge solenoid electrical connector (1).

    5. Object Number: 869711 Size: SH
  5. Connect the EVAP purge pipe.
  6. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .