Checking Rear Disks For Runout and Thickness Variation

Checking both rear brake disks for runout and differences in thickness

(rear wheels removed)

Special Tools Required:
- 00 2 470
- 00 2 480
- 00 2 510





Remove bolts (2).

Release caliper and position aside.

Caution: Do not allow caliper to hand on brake hose.





Secure brake disk with 2 wheel studs (1) through maximum of 5 turns, if necessary use washers to prevent wheel studs from touching trailing arm.

Fit special tool 00 2 510 with special tool 00 2 470/ 00 2 480

Apply dial-gauge tip on outer edge of brake disk with light preload.

Turn brake disk slowly and read off lateral runout.
Refer to Technical data. Specifications





Measure thickness differences within brake surface at approximately 8 points with micrometer.
Refer to Technical data. Specifications

Install Hint:
Refit caliper.