Hub

Special Service tools

Removal

CAUTION: Replacement of nuts and bolts: Various thread-locking devises are used on nuts and bolts throughout the vehicle. These devises restrict the number of times a nut or bolt can be used.

1. Raise front of vehicle and support on stands.
2. Remove appropriate road wheel.
3. Remove front brake disc.
4. Remove vertical link and hub assembly. Refer to operation under Suspension; Description and Operation.





5. Remove brake-disc shield from vertical link.
Remove screws.
Remove disc shield.





6. Using special tool, secure vertical link and hub assembly in a vise.
Secure special tool 204-195 in a vise.
Position hub in tool.
Install wheel nuts.





7. Remove rotor nut spring-clip.





8. Remove rotor nut.
Using special tool 206-066A remove rotor nut.
9. Remove vertical link and hub assembly from special tool.

10. CAUTION: Removing the hub from the vertical link damages the wheel bearing. A new wheel bearing MUST be fitted to the vertical link.





Using a hydraulic press, remove hub from vertical link.
Place special tool on press bed.
Position vertical link and hub assembly into tool collets.
Ensure one of the disc shield screw-bosses is in the center of one of the tool collets.
Position special tool on top of hub.
Operate press to remove hub from vertical link.





11. Using special pliers, remove and discard the inboard circlip from the vertical link.





12. Using special pliers, remove and discard outboard circlip from the vertical link.

13. NOTE: Ensure the vertical link is level, and the supports are situated as near to the bearing bore as possible.





Using a hydraulic press, remove wheel bearing from the vertical link.
Position the vertical link so that the inboard side of the bearing bore is resting on suitable supports on the press-bed.
Position special tool 204-197 on top of bearing.
Operate press to remove bearing from vertical link, discard bearing.
14. Clean relevant parts.

Installation

1. NOTE: The gap between the ears of the circlip must be positioned so that it is in the lowest position of the bore when the vertical link is installed on the vehicle.





Install outboard circlip in vertical link.





2. Using a hydraulic press, install wheel bearing in vertical link.
Position vertical link on the press bed with outboard side of the vertical link face down.
Position wheel bearing on vertical link.
Position special tool on top of wheel bearing.
Operate press to install bearing, applying a three-ton seating load to ensure the bearing is fully seated.





3. CAUTION: To prevent damage to the integral bearing seal, select circlip plier ends that do not protrude through the circlip ears.





4. NOTE: The gap between the ears of the circlip must be positioned at the lowest point of the bore, when the vertical link is installed on the vehicle.

Install inboard circlip in vertical link.





5. Using a hydraulic press, install hub in vertical link.
Position special tool on press bed.
Position vertical link on tool, with the inboard-side downwards.
Position hub on bearing.
Position a flat steel plate across the face of the hub, DO NOT place plate across wheel studs.
Operate press to install hub in vertical link, applying a three-ton seating load to ensure hub fully seats in wheel bearing.





6. Using special tool, secure vertical link and hub assembly in a vise.
Secure special tool in a vise.
Position hub in tool.
Install wheel nuts.





7. Install rotor nut.
Install rotor nut on hub.
Using special tool tighten rotor nut.

8. CAUTION: Do not slacken the rotor nut to engage the spring clip.

NOTE: If the castellated slots of the rotor nut are not aligned, tighten the nut until the spring clip engages in the slots.





Install rotor nut spring-clip.
Install spring clip in the hub retaining holes and, castellated slots of the rotor nut.





9. Install disc shield.
Position disc shield on vertical link.
Install bolts.
10. Install vertical link and hub assembly on vehicle.
11. Carry out steering geometry and wheel alignment checks and if necessary adjust.