Installing All-Wheel Final Drive

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Information

The front right fastening screw for the four-wheel final drive -left arrow- can only be screwed in with the front-axle carrier lowered .

Fig 1: Identifying All-Wheel Final Drive Bolts
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

CAUTION: Risk of damage to ATF lines and pressure line for power steering.

→ Protect ATF lines with water hose or similar.

→ The servo line must not be crushed or stretched.

Information

A second fitter is required for removing/installing the four-wheel final drive .

Swivel left flange of final drive in over the front-axle carrier.
Rotate drive flange upwards and install final drive through the front-axle carrier.

Fig 2: Installing All-Wheel Final Drive
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Insert right drive shaft into output flange and place final drive into the mounts on the front-axle carrier.

Fig 3: Tilting All-Wheel Final Drive
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Fit left drive shaft by lifting the final drive output flange.

Fig 4: Fitting Left Drive Shaft
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Fit fastening screws -arrows- for all-wheel final drive and screw for drive flange.

Fig 5: Identifying All-Wheel Final Drive Bolts
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Raise front-axle carrier with unit lifting platform until it is touching the body. Position vent line at the same time.
Information
- For details of tightening torques for running gear parts, see Group 4 (Running gear) → WM 4X00IN TIGHTENING TORQUES FOR FRONT AXLE .
Screw in bolts -arrows- on front-axle carrier.

Fig 6: Locating Bolts On Front-Axle Carrier
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Screw in bolt -arrow- connecting spring strut to trailing arm.

Fig 7: Locating Bolt Connecting Spring Strut To Trailing Arm
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Engage servo line in the three holders -arrows- on the front-axle carrier.

Fig 8: Locating Servo Line Holders
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Information
- Screws which are tightened with a torque angle must be replaced with new ones .
Tighten fastening screw for all-wheel final drive. → Initial tightening: 90 Nm (67 ft. lb.) → Final tightening: 90°
Install cover plate for all-wheel final drive by screwing in and tightening three fastening screws. → Tightening torque: 10 Nm (7.5 ft. lb.)
Information
- Screws which are tightened with a torque angle must be replaced with new ones .
Screw in drive shaft screws.
Connect steering column to steering gear. Screw in new screw.

Fig 9: Connecting Steering Column To Steering Gear
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Install cover plate on the steering.

Fig 10: Locating Cover Plate On Steering
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Connect Servotronic plug to the steering gear.
Remove special tool Spring Compressor VW 552 from the spring strut.

Fig 11: Identifying Installation Position Of Spring Compressor
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Screw in plastic nuts -arrows- on front right wheel housing liner.

Fig 12: Locating Wheel Housing Liner Mount
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Remove steering-wheel holder -figure- .

Fig 13: Adjusting Steering Wheel Holder
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Information
- For details of tightening torques for running gear parts, see Group 4 (Running gear) → WM 4X00IN TIGHTENING TORQUES FOR FRONT AXLE .
Tighten bolts -arrows- on front-axle carrier.

Fig 14: Locating Bolts On Front-Axle Carrier
Courtesy of PORSCHE CARS NORTH AMERICA, INC.