Front Hub End Float - New Specification and Adjustment

Front Hub - End Float New Specification -Adjustment Procedures

MODEL
All

DATE
5/92



57-15



ISSUE:

Front hub end float specification change.

ACTION:

Front hub end float should be adjusted using the following procedure:


NOTE:
Before performing this operation, place an absorbent cloth around the brake fluid reservoir cap.


^ Remove the front wheels.

^ Gently pry the brake pads away from the discs. Make sure that the disc can rotate freely without coming in contact with the pads.





^ Remove the hub grease cap, (Fig. 1 A).

^ Install a dial test indicator to the hub, (Fig. 2).

^ Grasp the hub firmly. Push the hub in and then pull it out. Note the reading on the dial.








NOTE:
Fig. 1 shows an XJS front hub and Fig. 2 shows a Sedan front hub. All procedures apply to both models.



^ If the reading is within 0.001" - 0.003", no adjustment is necessary.





^ If adjustment is necessary, remove the cotter pin and nut cover, (Fig. 1 B & C).

^ Adjust end float as necessary to give a reading of 0.001" - 0.003".

^ Align the hub nut cover and secure with a new cotter pin.

^ Check the front hub end float again.

^ Install the grease cap.

^ Perform the above procedure on the opposite front hub.

^ Install the road wheels. Make sure that the wheel nuts are tightened to 65-75 ft.lbs.

^ Before moving the vehicle, pump the brake pedal to re-set the brake pads. Remove cloth from around brake fluid reservoir cap.





WARRANTY INFORMATION: