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Illumination of the red signal light of the brake malfunc-
tion system (except for in the self-test mode when cycling the
ignition) indicates a critical malfunction (electronic brakeforce
distribution (EBD) malfunction, system leakage, etc.). It is not
permitted to operate the motor vehicle with the brake system
warning light
on.
Front disc brakes. To inspect brake shoes 2 (Fig. 9.21) place
the motor vehicle on level ground and raise the parking brake.
Inspect the shoes through the window in support 4. If the linings
wear to a thickness of 1.5–2.0 mm, replace the shoes on both
front brakes.
Fig. 9.21. Front disc brakes:
1 — spring; 2 — shoes; 3 — clip; 4 — support; 5 — safety cap; 6 — snap ring;
7 — O-ring; 8 — protective boot; 9 — piston; 10 — bush; 11 — bolt; 12 — screw;
13 — plug; 14 — proportioning valve; 15 — cap; 16 — spring carrier bolts; 17 —
crankcase; 18 — spring carrier.