Installing Front Drive Shaft
- Risk of crushing
- Risk of damage to components
→ Wear personal protective gear.
→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).
Information
Dimension 1 - centre of wheel to lower edge of wing (rear axle shown)
- All screws and threaded joints on the axle must be tightened in vehicle position. Vehicle position means: vehicle standing on its wheels or the wheel suspension is raised with a universal vehicle lift. Measurement -1- from the lower edge of the wing to the middle of the vehicle axle corresponds to vehicle position. The current height values can be found in
> 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT
. Always observe the following points!
- On vehicles with air springs, the respective air spring must be bled using the Porsche System Tester.
- Screws and nuts are Geomet-coated and must not be greased.
Information
The pictures shown in this document may differ from the original.
- Grease the drive shaft splines with a little Optimoly TA aluminum paste and guide it into the wheel bearing housing. When doing this, press the inner joint together fully.
- Pull the drive shaft into the wheel bearing housing.
- Fit inner section of drive shaft on the transmission flange
- Fit fastening screws -1-
for securing drive shaft to transmission.
Observe the specified tightening torque:
The following applies for fastening screw M10 x 52: > Initial tightening 50 (37 ftlb.) Nm -- > Final tightening + 90° --
The following applies for fastening screw M8 x 48: > Initial tightening 20 (15 ftlb.) Nm -- > Final tightening + 90° --
Screws securing drive shaft to transmission
- Grease the mounting-face ring of the axle nut with a little Optimoly TA aluminum paste.
- Tighten the axle nut slightly to prevent the shaft from slipping out.
- Counter with a > 9546 - screwdriver when tightening the ball joints if necessary.
- Install tie rod on the wheel bearing housing.
- Install ball joint of the upper trailing arm on the wheel bearing housing.
- Use a suitable jack -4-
to raise the trailing arm and remove > VW552 - Spring tensioner-1 -
from the upper trailing arm -2-
.
Securing upper trailing arm
- Raise the axle support -1-
as far as required until the fastening screw -2-
slides easily through the spring strut -3-
and axle support.
Tighten fastening screw.
>401719 REMOVING AND INSTALLING LOWER TRAILING ARM
Spring strut threaded joint
- Install brake disc.
- Install brake calliper.
> 473919 REMOVING AND INSTALLING FRONT BRAKE CALLIPER
> 473919 REMOVING AND INSTALLING FRONT BRAKE CALLIPER (PCCB)
- Plug in electric plug connection -1
for the speed sensor on the wheel bearing housing -A-
and lock it -a-
.
Electric plug connection for speed sensor (shown as an example)
- Fit the holders -1, 2-
for the hydraulic lines on the wheel bearing housing -3-
.
Mounting for hydraulic lines