GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1996 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.0L and 4.6L 🢒 Evaporative Emission Purge Vacuum Switch Replacement

Removal Procedure

    Object Number: 163189 Size: SH
  1. Disconnect the EVAP vacuum switch vacuum hoses (1), (4).
  2. Remove the bolt.
  3. Remove the EVAP vacuum switch (2).
  4. Disconnect the EVAP vacuum switch electrical connector (3).

Installation Procedure

    Object Number: 163189 Size: SH
  1. Connect the EVAP vacuum switch electrical connector (3).
  2. Install the EVAP vacuum switch (2).
  3. Install the bolt.

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

    Refer to the

    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.

    in General Information.

  4. Re-connect the EVAP vacuum switch vacuum hoses (1), (4).