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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Ventilation - 911 CARRERA (996) >> Installing and adjusting bowden cables of the heating/fresh-air control >> Adjusting central valve

Adjusting central valve

  1. Turn rotary knob for air distribution to the symbol for the footwell. Air outlet to the centre and side vents closed. See Figure .
  2. Engage bowden cable in the adjusting lever.
  3. Push adjusting lever of the central valve up to its stop and use the retaining clip to fasten the sleeve of the bowden cable on the fastening point.
    Fig 1: Pushing Adjusting Lever Of Central Valve
    G03092916Courtesy of PORSCHE OF NORTH AMERICA, INC.
NOTE: Perform a function test after installing the bowden cables. Test limit position of the rotary knobs for air distribution and adjusting levers of the valves.