Removing and installing heating and fresh-air control: Installation
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- Ensure correct seating of air-distributor housing and air guides. Engage electrical plug connections and route electrical cables carefully (do not jam).
- Comply with safety regulations when handling airbag units (see SAFETY REGULATIONS FOR VEHICLES WITH AIRBAG AND BELT TENSIONER ).
- Adjust steering-column switch: Measure with a depth gauge between end of steering shaft and steering-column switch cover plate (see Fig 1 ). Adjustment dimension is 55mm plus/minus 0.5 mm.
- Replace gasket between current distributor and firewall if necessary. After the current distributor is mounted on the firewall (tightening torque 15 Nm (11 ftlb.) the battery cable is tightened with a new hexagon nut M8. Tightening torque 15 Nm (11 ftlb.).
- The heat exchanger is connected to the engine cooling system, and coolant flows through it when the engine is running. After removing or installing the heating and fresh-air control, vent the cooling system (see DRAINING AND FILLING IN COOLANT (INCLUDES: BLEEDING ).