Sierra 3500 2WD V8-6.0L VIN U (2004)
3. Install the evaporator cover (1) to the HVAC module assembly (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.
4. Install the screws to the evaporator cover (1).
Tighten
Tighten the screws to 2 Nm (18 lb in).
5. Connect the electrical connector to the recirculation actuator (1).
6. Install the HVAC module assembly.