GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Express 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Auxiliary Mode Valve Actuator Replacement

Removal Procedure
  1. Remove the heater case. Refer to Heater Case Replacement .
  2. Remove the retaining screws from the actuator.

    3. Object Number: 301697 Size: SH
  3. Remove the mode actuator from the vehicle.

Installation Procedure

    Object Number: 301697 Size: SH
  1. Install the mode actuator to the vehicle.

    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 retaining screws to the actuator.

    3. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  3. Install the heater case. Refer to Heater Case Replacement .