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Installing and removing the heating/air-conditioning unit: Removal

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  1. Remove the covers over the heating/air-conditioning system, battery and fluid tank. Disconnect and remove the battery.
  2. Remove refrigerant by suction using the service unit.
  3. Detach the air-conditioning lines at the expansion valve. Close the connections and lines with plugs immediately so that they are air-tight.
  4. Remove the steering wheel and loosen the steering column panel. Observe the safety regulations for handling airbag units (see SAFETY REGULATIONS FOR VEHICLES WITH AIRBAG AND BELT TENSIONER ).
  5. 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.
    Fig 1: Undoing The Central Screw (Clamp) On The Removing Steering Column Switch
    G03150938Courtesy of PORSCHE OF NORTH AMERICA, INC.
  6. Detach the instrument panel and unclip the right side upwards. Disconnect the electrical plug connections.
    Fig 2: Disconnecting Electrical Plug Connections
    G03150939Courtesy of PORSCHE OF NORTH AMERICA, INC.
  7. Remove the steering column cover (4 screws).
    Fig 3: Removing Steering Column Cover
    G03150940Courtesy of PORSCHE OF NORTH AMERICA, INC.
  8. Remove the radio and heating/air-conditioning controller. Unclip the switch panel on the left and on the right. Disconnect the electrical plug connections. Undo the retaining frame in the center and remove it.
    Fig 4: Uncliping The Switch Panel On The Left And On The Right
    G03150941Courtesy of PORSCHE OF NORTH AMERICA, INC.
  9. Remove the left side nozzle and disconnect the electrical plug connection. Unclip and remove the sun sensor cover and defrost panel.
  10. Undo the interior monitoring system and disconnect the electrical plug connection.
  11. Remove the air guide at the bottom right. Remove the passenger's airbag unit. Observe the safety regulations for handling airbag units (see SAFETY REGULATIONS FOR VEHICLES WITH AIRBAG AND BELT TENSIONER ).
  12. Remove the front cover of the center console. Undo the fuse holder and diagnosis plug in the left footwell.
  13. Undo the control panel at the bottom, center, left and right. Carefully remove the control panel and detach the loudspeaker cable.
    Fig 5: Undoing The Control Panel At The Bottom, Center, Left And Right
    G03150942Courtesy of PORSCHE OF NORTH AMERICA, INC.
  14. Undo the center tunnel support on the support frame at the top and on the tunnel holder at the bottom.
    Fig 6: Removing Center Tunnel Support On Support Frame At Top And On Tunnel Holder At Bottom
    G03150943Courtesy of PORSCHE OF NORTH AMERICA, INC.
  15. Remove the left air guide. Only loosen the defrost channel. Undo and remove the center air distributor casing.
  16. Disconnect the central plug connections (2 ea.) from the heater/air-conditioning unit.
  17. Disconnect the battery positive terminal on the current distributor and the current distributor on the cover front wall.
    Fig 7: Disconnecting Battery Positive Terminal On Current Distributor
    G03150944Courtesy of PORSCHE OF NORTH AMERICA, INC.
  18. Disconnect both heating hoses upstream of the heat exchanger with the standard hose clamp. Disconnect the heating hoses on the heat exchanger and plug the connections.
  19. Undo the heater/air-conditioning unit on the lid firewall (3 nuts). Pull off the water drainage hose from the heater/air-conditioning unit.
  20. Undo the holder of the heater/air-conditioning unit from the passenger's side at the top right.
    Fig 8: Disconnecting Both Heating Hoses Upstream Of Heat Exchanger With Standard Hose Clamp
    G03150945Courtesy of PORSCHE OF NORTH AMERICA, INC.
  21. Carefully lower and remove the heater/air-conditioning unit downwards into the footwell. Do not damage the electrical plug connections or cables.
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