Preliminary Work

Special equipment-specific features are described in the notes. 

1. Position the vehicle at the take-up points provided on a lifting platform. → LIFTING THE VEHICLE
2. Fix steering wheel with wheels in straight-ahead position (engage steering column lock or clamp steering wheel in centre position with steering wheel holder)! If this is not done, the airbag contact unit will have to be put in centre position after installation of the stearing gear! → WM 945019 REMOVING AND INSTALLING STEERING-COLUMN SWITCH
3. Put on the protection covers.
4. Read out the DME fault memory. Write down or print the result. → WM 0101IN DIAGNOSTIC SYSTEM: READING OUT FAULT MEMORY AND ACTIVATING SYSTEMS (ALL MODELS)
5. Move the Tiptronic selector lever to position N.
6. Remove ignition key.
7. Disconnect the battery. → WM 9000IN WORK INSTRUCTIONS AFTER DISCONNECTING THE BATTERY (ALL MODELS)
8. Remove front wheels. → Removing And Installing Wheel
9. Remove the front wheel housing liners. Removing Front Wheel Housing Liner
10. Remove engine guard with transverse strut. → Removing engine guard 
11. Drain coolant. → Draining Coolant
12. Remove engine compartment covers. → Removing Front Trim (Engine Compartment)
13. Move bonnet into service position → 553119 REMOVING AND INSTALLING FRONT GAS SPRING . While doing this, remove engine compartment rubber seal → Removing The Front Lid Seal .
14. Remove cover of plenum panel. → Removing Cowl Panel Cover
15. Remove intake pipe. → Removing Air Box For Throttle Housing (Intake Pipe Upstream Of Throttle Valve)
16. Remove air cleaner housing cover and filter element.

    Information 

    • The air tube is only present in vehicles with air suspension. 
    1. 16.1. Remove air tube on air cleaner cover. To do this, unclip the green cap. Insert a screwdriver into the notch in the cap and lever the cap off.
       Fig 1: Identifying Cap On Air Tube

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 16.2. Push the circlip into the adapter -1-  and pull it off together with the adapter -2-  .
       Fig 2: Pushing Circlip Into Adapter -1

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    3. 16.3. Clip the green cap on again after disassembly.
       Fig 3: Identifying Cap

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    4. 16.4. Remove air cleaner cover. Undo the fastening clamps on the air cleaner housing. Pull air cleaner cover up and out.
       Fig 4: Locating Fastening Clamps On Air Cleaning Housings

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    5. 16.5. Remove air-cleaner element.
17. On vehicles with manual transmission, work on peripheral units must be performed as described in → Removing Transmission .