GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Mode Valve Actuator Replacement

Removal Procedure
  1. Disconnect the electrical connector from the mode actuator.

    2. Object Number: 258020 Size: SH
  2. Remove the screws from the mode actuator.
  3. Remove the mode actuator from the control lever.
  4. Remove the mode actuator from the module.

Installation Procedure

    Object Number: 258020 Size: SH
  1. Install the mode actuator to the module.

    2. 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.

  2. Install the screws to the mode actuator.

    3. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  3. Install the mode actuator to the control lever.
  4. Connect the electrical connector to the mode actuator.