Replacing Rear-Axle Bearing (Front)
- Risk of squashing or bruising
→ Do not reach into the danger area.
→ Relieve tension on components before starting work.
→ Secure components to prevent them from loosening suddenly.
- Risk of squashing
→ Wear personal protective gear.
→ Get someone to help if necessary.
Information
The following tools are required for replacing the front bearing:
- T10263 - Assembly fixture
- T40185 - Assembly fixture
- T40033 - Assembly fixture
- VAS 6178 - Hydraulic cylinder
Information
The procedure for removing and installing is described for one side as an example. The procedure for the other side is practically identical.
- VAS 6931 - Transmission and Engine Jack
must be positioned under the rear axle housing -1-
with a suitable piece of wood -2-
underneath.
at rear axle housing
- Unscrew screw -1-
.
Mounting for rear axle housing, front
- Screw in screw -1-
on the opposite side of the bearing to be replaced into the body with a gap -a-
of 4 cm.
Screw on rear axle housing
- Lower the rear axle housing.
- Lever off twist lock -1-
close to the retaining lugs alternately on both sides of the bearing using a screwdriver.
Twist lock
- Mark installation position of the bearing with respect to the rear axle housing -Arrows-
.
Installation position of rear axle housing
Information
The help of another person is required to hold the tool.
- Fit tools and press bearing out of rear axle housing -3-
.
Tools for pressing out bearings
1 T10263/5 Nut 2 T40185/5 Pressure piece (cut-out facing the bearing) 3 Rear axle housing 4 T40185/6 Support ring (conical side facing upwards, bars engaged in cut-outs on the bearing) 5 T40033/3 Pipe 6 T40033/4 Pressure piece 7 VAS 6178 Hydraulic cylinder 8 T10263/5 Nut 9 T10263/4 Spindle (pin facing downwards) - Align new bearing with the markings on the rear axle housing and fit it.
- Align pressure piece T40185/3
with bearing > Pressure piece T40185/3
.
Pressure piece T40185/3
- Fit tools and press bearing -4-
into rear axle housing -3-
until the collar is touching the socket of the rear axle housing without a gap.
Tools for pressing in bearings
1 T10263/5 Nut 2 T40185/4 Pressure piece 3 Rear axle housing 4 Bearing 5 T40185/3 Pressure piece 6 VAS 6178 Hydraulic cylinder 7 T10263/5 Nut 8 T10263/4 Spindle (pin facing downwards) - Align twist lock -1-
with the bearing transversely with respect to direction of travel -arrow-
and attach it.
Alignment of bearing
- Fit and tighten screw -1-
.
> Initial tightening 115 Nm
> Final tightening + 90°
Mounting for rear axle housing, front
- > VAS 6931 - Transmission and Engine Jack must now be removed.