Mechanics

REPLACE FRONT WHEEL BEARING

2003 Jaguar XJ8

2003 Jaguar XJ8 V8 Two Wheel Drive Automatic 120000 miles

how to replace front wheel bearing & if I will need special tools to do it.
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Ivan lebron
April 5, 2010.



Hello. Thanks for the donation. Much appreciated

This can be quite a tricky job without the correct bearing removal tools or press. I usually remove and replace the full hub assembly when posssible. Much easier !

There are quite a few diagrams, so let me know which you need !

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. See GENERAL INFORMATION article for further information.

Remove vertical link and hub assembly. Refer to WHEEL KNUCKLE AND WHEEL HUB ASSEMBLY.
Remove brake disc shield from vertical link.
Remove screws.
Remove disc shield.
Fig. 237: Removing Brake Disc Shield From Vertical Link
Courtesy of JAGUAR CARS, INC.
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.
Fig. 238: Securing Vertical Link And Hub Assembly In A Vise
Courtesy of JAGUAR CARS, INC.
Remove rotor nut spring-clip.
Fig. 239: Removing Rotor Nut Spring-Clip
Courtesy of JAGUAR CARS, INC.
Remove rotor nut.
Using special tool 206-066A remove rotor nut.
Fig. 240: Removing Rotor Nut
Courtesy of JAGUAR CARS, INC.
Remove vertical link and hub assembly from special tool.
Using a hydraulic press, remove hub from vertical link.
Place special tool 204-194 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 204-193 on top of hub.
Operate press to remove hub from vertical link.
Fig. 241: Removing Hub From Vertical Link
Courtesy of JAGUAR CARS, INC.
Using special pliers, remove and discard inboard circlip from the vertical link.
Fig. 242: Removing Inboard Circlip From The Vertical Link
Courtesy of JAGUAR CARS, INC.
Using special pliers, remove and discard outboard circlip from the vertical link.
Fig. 243: Removing Outboard Circlip From Vertical Link
Courtesy of JAGUAR CARS, INC.
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 vertical link.
Position the vertical link so that 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.
Fig. 244: Removing Wheel Bearing From Vertical Link
Courtesy of JAGUAR CARS, INC.
Clean relevant parts.
Installation
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.

Fig. 245: Installing Outboard Circlip In Vertical Link
Courtesy of JAGUAR CARS, INC.
Install outboard circlip in vertical link.
Using a hydraulic press, install bearing in the vertical link.
Position vertical link on the press bed with outboard side of the vertical link face down.
Position bearing on vertical link.
Position special tool on top of wheel bearing.
Operate press to install bearing, applying a three-ton load to ensure that the bearing is fully seated.
Fig. 246: Installing Bearing In Vertical Link
Courtesy of JAGUAR CARS, INC.
CAUTION: To prevent damage to the integral wheel-bearing seal, select circlip plier ends that do not protrude through the circlip ears.

Fig. 247: Identifying Circlip Plier Ends That Do Not Protrude Through Circlip Ears
Courtesy of JAGUAR CARS, INC.
Select proper circlip plier ends that do not protrude though the circlip ears.
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.

Fig. 248: Installing Inboard Circlip In Vertical Link
Courtesy of JAGUAR CARS, INC.
Install inboard circlip in vertical link.
Using a hydraulic press, install hub in vertical link.
Position special tool on press bed.
Position the vertical link on the tool, with the inboard-side face down.
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 the hub, applying a three-ton load to ensure hub is fully seated in bearing.
Fig. 249: Installing Hub In Vertical Link
Courtesy of JAGUAR CARS, INC.
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.
Fig. 250: Securing Vertical Link And Hub Assembly In A Vise
Courtesy of JAGUAR CARS, INC.
Install rotor nut.
Install rotor nut on hub.
Using special tool tighten rotor nut.
Fig. 251: Tightening Rotor Nut
Courtesy of JAGUAR CARS, INC.
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 rotor nut further until the spring clip engages the slots.

Install rotor nut spring-clip.
Install spring clip in hub retaining holes and castellated slots of the rotor nut.
Fig. 252: Installing Rotor Nut Spring-Clip
Courtesy of JAGUAR CARS, INC.
Install disc shield.
Position disc shield on vertical link.
Install bolts.
Fig. 253: Installing Disc Shield
Courtesy of JAGUAR CARS, INC.
Install vertical link and hub assembly on vehicle. Refer to WHEEL KNUCKLE AND WHEEL HUB ASSEMBLY.
Carry out steering geometry and wheel alignment checks and if necessary adjust. Refer to SPECIFICATIONS & PROCEDURES article.
Wheel Hub
Special Service Tools
To identify special tools used in this procedure, see 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. Refer to GENERAL INFORMATION article for further information.

Raise front of vehicle and support on stands.
Remove appropriate road wheel.
Remove front brake disc. Refer to FRONT DISC BRAKE ROTOR.
Remove vertical link and hub assembly. Refer to operation WHEEL KNUCKLE AND WHEEL HUB ASSEMBLY.
Remove brake-disc shield from vertical link.
Remove screws.
Remove disc shield.
Fig. 254: Removing Brake-Disc Shield From Vertical Link
Courtesy of JAGUAR CARS, INC.
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.
Fig. 255: Securing Vertical Link And Hub Assembly In A Vise
Courtesy of JAGUAR CARS, INC.
Remove rotor nut spring-clip.
Fig. 256: Removing Rotor Nut Spring-Clip
Courtesy of JAGUAR CARS, INC.
Remove rotor nut.
Using special tool 206-066A remove rotor nut.
Fig. 257: Removing Rotor Nut
Courtesy of JAGUAR CARS, INC.
Remove vertical link and hub assembly from special tool.
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.
Fig. 258: Removing Hub From Vertical Link
Courtesy of JAGUAR CARS, INC.
Using special pliers, remove and discard the inboard circlip from the vertical link.
Fig. 259: Removing Inboard Circlip From Vertical Link
Courtesy of JAGUAR CARS, INC.
Using special pliers, remove and discard outboard circlip from the vertical link.
Fig. 260: Removing Outboard Circlip From Vertical Link
Courtesy of JAGUAR CARS, INC.
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.
Fig. 261: Removing Wheel Bearing From Vertical Link
Courtesy of JAGUAR CARS, INC.
Clean relevant parts.
Installation
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.

Fig. 262: Installing Outboard Circlip In Vertical Link
Courtesy of JAGUAR CARS, INC.
Install outboard circlip in vertical link.
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.
Fig. 263: Installing Wheel Bearing In Vertical Link
Courtesy of JAGUAR CARS, INC.
CAUTION: To prevent damage to the integral bearing seal, select circlip plier ends that do not protrude through the circlip ears.

Fig. 264: Selecting Circlip Plier Ends That Do Not Protrude Through Circlip Ears
Courtesy of JAGUAR CARS, INC.
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.

Fig. 265: Installing Inboard Circlip In Vertical Link
Courtesy of JAGUAR CARS, INC.
Install inboard circlip in vertical link.
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.
Fig. 266: Installing Hub In Vertical Link
Courtesy of JAGUAR CARS, INC.
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.
Fig. 267: Securing Vertical Link And Hub Assembly In A Vise
Courtesy of JAGUAR CARS, INC.
Install rotor nut.
Install rotor nut on hub.
Using special tool tighten rotor nut.
Fig. 268: Installing Rotor Nut
Courtesy of JAGUAR CARS, INC.
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.
Fig. 269: Installing Rotor Nut Spring-Clip
Courtesy of JAGUAR CARS, INC.
Install disc shield.
Position disc shield on vertical link.
Install bolts.
Fig. 270: Installing Disc Shield
Courtesy of JAGUAR CARS, INC.
Install vertical link and hub assembly on vehicle. Refer to WHEEL KNUCKLE AND WHEEL HUB ASSEMBLY.
Carry out steering geometry and wheel alignment checks and if necessary adjust. Refer to SPECIFICATIONS & PROCEDURES article.

Dave H
Apr 6, 2010.