Removing Front Spring Strut

The air springs are installed as standard in the Cayenne Turbo and are optional in the Cayenne S. The steel springs are not applicable for the Cayenne Turbo.

Fig 1: Identifying Front Spring Strut

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→ Wear personal protective gear.

→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

→ Wear personal protective gear.

→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

When fitting/removing the air spring strut, the drive shaft is removed and installed.

1. To bleed the level adjustment system (compressed air must be released from the system), use the Porsche System Tester. To do this, select the Bleed level adjustment menu item in the Level adjustment system.
   Fig 2: Identifying Porsche System Tester

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2. Lift wheel carrier carefully to facilitate removal. Use a suitable → see Fig 3 lift with rubber base in order to prevent slipping.
   Fig 3: Lifting Wheel Carrier With Rubber Base

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3. Loosen pressure line at the residual pressure retaining valve -arrow-  using insert part T10212  .
   Fig 4: Locating Residual Pressure Retaining Valve

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4. Separate compact connector (in wheel housing on side member) -arrow-  and the plug connections for the wheel acceleration sensor and self-levelling sensor.
   Fig 5: Locating Compact Connector (Wheel Housing On Side Member)

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5. Remove lower connecting link -arrow-  using the lift to support the wheel carrier (assembly aid).
   Fig 6: Locating Lower Connecting Link

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6. Unscrew plastic nuts -arrows-  on wheel housing liner.
   Fig 7: Locating Wheel Housing Liner Plastic Nuts

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7. Fix upper axle strut with spring compressor VW 552  . This involves tensioning the axle strut slightly because otherwise the top ball joint can be damaged. Insert the -illustration-  spring compressor into the top opening of the wheel housing (double panel under the wheel housing cover) and attach it to the trailing arm. This is only necessary if the same control arm is reinstalled.
   Fig 8: Identifying Spring Compressor VW 552

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8. Remove lower spring strut and undo brake calliper.
   Fig 9: Removing Lower Spring Strut

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9. Slide protective tube (shop made) 00000  over drive shaft. Release drive shaft at transmission flange and lay down carefully. Use a suitable base for the front axle carrier.
10. Using universal drive shaft/wheel hub puller from model 86 on Nr.87-1,  push (press through) peg of drive shaft by approx. 20 mm - 25 mm into the wheel hub.
    Fig 10: Pushing Peg Of Drive Shaft Using Universal Drive Shaft/Wheel Hub Puller

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11. Remove the two holders (brake hose, combination line) on wheel carrier and let them hang.
12. Disconnect ABS sensor plug connection.
13. Remove the relevant outer -illustration-  tie rod joint using the press-out tool T10187  . When pressing out, screw lock nut on flush (protects the ball joint thread).
    Fig 11: Removing Ball Joint Of Upper Trailing Arm From Wheel Carrier Using Press-Out Tool T10187

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14. Press out → see Fig 12 ball joint of upper trailing arm from wheel carrier using press-out tool T10187  .
    Fig 12: Removing Spring Compressor VW 552

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15. Remove the spring compressor VW 552  .
16. Remove brake calliper fastening screws and hang -illustration-  brake calliper in a suitable place in the wheel housing.
    Fig 13: Removing Brake Calliper

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17. Remove drive shaft. To do this, the first fitter must carefully pull the top of the wheel carrier outwards and the second fitter must carefully guide out the drive shaft.
18. Remove the three mounts for the spring strut in the engine compartment (two mounting points in front of plenum panel and one inside the plenum panel). The three mounting points -(arrow)-  are shown here from inside the wheel housing (wheel carrier installed).
    Fig 14: Locating Mounts For Spring Strut

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19. Carefully guide out the spring strut.
    Fig 15: Guiding Out Spring Strut

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