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Home >> Cadillac >> 1997 >> Catera V6-3.0L VIN R >> Repair and Diagnosis >> Brakes and Traction Control >> Disc Brake System >> Testing and Inspection >> Diagnostic Information and Procedures >> Brake Rotor Lateral Runout Check >> Rear Rotor

Rear Rotor

^ Tool Required
- J 80001 Dial Indicator Set

1. Raise and suitably support the vehicle.
2. Remove the tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
3. Remove the rear brake caliper. Refer to Brake Caliper Replacement (Rear).





4. Install the wheel bolt (1) onto the rotor opposite the rotor set screw so the rotor is held tight against the hub.





5. Fasten the J 80001 Dial Indicator Set to the rear brake caliper housing so that the indicator button contacts the rotor surface about 13 mm (0.5 inch) from the edge of the rotor.
6. Push in the wheel bearing hub to minimize endplay while setting the J 80001 to zero.
7. Push in the wheel bearing hub to minimize wheel bearing hub endplay while turning the rotor one complete revolution.
8. Observe the Total Indicated Runout (TIR). The TIR should not be more than 0.10 mm (0.004 inch).
9. Check the wheel bearing hub flange for excessive lateral runout or for looseness if the lateral runout of the rotor still exceeds 0.10 mm (0.004 inch). Refer to Specifications in Vibration Diagnosis for wheel bearing hub flange runout specifications.
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