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Home >> Jaguar >> 2012 >> XKR 2D Coupe >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System - General Information -- XK/X150 >> Brake System - General Information >> Rear Brake Disc RUNOUT Check - With Wheel On (G1508829) >> General Procedures

General Procedures

  1. NOTE:
    • Some variation in the illustrations may occur, but the essential information is always correct.
    • RH illustration shown, LH similar.
    • All measurements must be taken with the wheel installed.
  2. WARNING: Make sure to support the vehicle with axle stands.

    Raise the rear of the vehicle.

  3. G11511286

    Modify tool 100-053 with an M8 bolt and nut as shown.

  4. G11511287

    Mount the DTI Dial Test Indicator (DTI) gauge on the tool as shown.

  5. G11511288

    Securely mount the DTI on the bottom calliper mounting bolt, a spacer washer maybe required under the tool.

  6. G11511289

    Position the DTI probe 5 mm from the outer edge of the disc.

    • Zero DTI and rotate road wheel one complete revolution to measure disc runout.
  7. G11511290

    Position the DTI probe in the centre of the disc.

    • Zero DTI and rotate road wheel one complete revolution to measure disc runout.
  8. G11511291

    Position the DTI probe 5 mm from the inner edge of the disc.

    • Zero DTI and rotate road wheel one complete revolution to measure disc runout.
  9. NOTE: The disc runout limit is 0.09 mm.

    If the disc runout exceeds the limit check the hub drive flange and bearing runout.

    For additional information, refer to: Rear Wheel Bearing and Wheel Hub Runout Check - Vehicles With: Standard Brakes (General Procedures).

  10. If hub runout is within the limit replace the brake disc.
  11. Fig 1: Road Wheel Nuts Tightening Sequence
    G11511292Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the wheel.

    • Tighten the road wheel nuts in sequence as shown to the following:
    • Stage 1: 4 Nm.
    • Stage 2: 60 Nm.
    • Stage 3: 125 Nm.
  12. Re-check the disc runout as detailed above.
  13. G11511293

Remove DTI and install the bolt. 103 Nm.