For Front and Rear Brake Judder:
^ Make sure that Jurid 518 pads are installed.
^ Check disc condition (refer to "Disc Conditions") Only change the discs where indicated.
NOTE: On post VIN 533361 Sedans and post VIN 144578 XJ-S, do not replace discs unless BELOW minimum thickness.
- For front brake judder, check/repair the following:
^ Hub bearings (axial clearance) spec. 0.00111 to 0.003
^ Spindle wear (vertical clearance) spec. 0.0011
^ Ball joints.
^ PAS rack bushings.