Steering Gear: Service and Repair

WM 489019 Removing and installing steering gear

Preliminary work

Information

- The rack-and-pinion steering gear and power-steering pump must not be repaired or dismantled.

- Always replace the O-rings on hydraulic lines.

- Ensure absolute cleanliness at all times.

- The reservoir must always be replaced if individual or multiple components, such as the tandem pump, PDCC valve blocks (FA/RA), PDCC anti-roll bars (FA/RA) are replaced.

- If system faults still occur after replacing a component (another component is defective), the reservoir does not have to be replaced again.

- Steel flexi-pipes must not be kinked or crushed.

- Observe safety requirements. => 4303AW Safety Requirements for Porsche Dynamic Chassis Control (PDCC)

Information

- 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 the centre position after installation of the steering gear => 945019 Removing and installing steering column switch.

- Before the feed and return lines are loosened, place a suitable container underneath to collect steering fluid.

- Wear protective goggles and gloves.

1. Remove wheel => 440519 Removing and installing wheel - section on "Removing".
2. Remove engine guard => 108019 Removing and installing engine guard - section on "Removing".
3. -Wheel housing liner- must be partly removed => 505619 Removing and installing front wheel housing liner - section on "Removing".





Partly removing wheel housing liner