911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
Housing Assembly HVAC: Service and Repair
Air Flow Control Box - Heater
Note: This procedure is applicable to vehicles with heating/ventilation system only. For vehicles with air conditioning, See:
Removal
1. Remove the covers over the heating/fresh-air system, battery and fluid tank. Disconnect and remove the battery.
2. Remove steering wheel and loosen steering- column panel. Comply with safety regulations when handling airbag units (see Restraint Systems/Air
Bag systems). See: Restraint Systems/Air Bag Systems
3. Undo the central screw (clamp) on the steering column switch from below and pull it forwards slightly. Remove the cover at the top and
disconnect the electrical plug connections. Remove the steering column switch.
4. Loosen instrument panel and unclip right side upwards Disconnect the electrical plug connections.
5. Remove steering-column cover (4 screws).