Installation Instructions

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Installation is in reverse order.

Replace fastening screw of steering shaft whenever it has been removed. Ensure it is fitted correctly. Insert fastening screw (in correct position, not from the threaded side).

Always replace O-rings on pressure and intake pipes.

Push on universal joint (steering shaft) in correct position, with steering gear and steering wheel or airbag contact unit (spiral spring) in centre position. When doing this, only place steering transmission screws in position (to facilitate assembly when pushing universal joint on). After the fastening screws of steering have been tightened, push universal joint on as far as it will go. When fitted correctly and tension-free, the universal joint is allowed to be at a maximum distance of 4 mm from the outermost edge of steering gear dust boot.

Fig 1: Identifying Universal Joint Maximum Distance

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Replace steering gear fastening screws.

Screw threads must be clean and free of grease.

Ensure that no damage (scoring or similar damage) is caused to the steering rack.

If the tie rods are to be reused, detach them from removed steering gear and fit them on new steering gear. Insert new sealing rings on steering gear.

Fig 2: Locating Sealing Rings

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Information

The left clamp of the joint boot must be clamped so that the clamp lug is in line with the steering pinion.

Fig 3: Locating Clamp Lug
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
The right clamp of the joint boot must be clamped so that the clamp lug points horizontally with the front axle carrier (suspension sub-frame) in the direction of travel.
Failure to do this can lead to constrictions on the left-hand side in the vicinity of the feed and return lines and on the right-hand side in the vicinity of the heat shield.

Fit joint boot (not twisted) and secure with new clamps (use pliers for hose clamp NR.74, ).

Check the joint boot is not worn (cracks, slots) and that sealing surfaces are clean.

When fitting the ball joints, ensure that the conical seats are clean. Remove dirt or grease on conical seats, e.g. with a lint-free cloth. Do not use cleaning agent/solvent.

Observe airbag safety. → WM 6X00IN Safety regulations for airbag and seat-belt pretensioner units

Install airbag unit for driver → Installing driver's airbag unit

Observe notes on steering-gear centre position in the section on front track adjustment in WM 449503 Suspension alignment, complete .

Calibrate steering-angle sensor → WM 456005 INITIALISING AND CALIBRATING STEERING-ANGLE SENSOR .

Observe correct tightening torques. → WM 4800TW TIGHTENING TORQUES FOR STEERING (ALL MODELS)