Front brakes
Brake disc diameter: | ||
– models 320 and 300 with 24 valves | 294 mm | |
- other models | 284 mm | |
Brake Disc Thickness: | New | Minimum |
– Models 300 with 24 valves | 22.0 mm | 19.4mm |
– models 320: | ||
• models up to October 1992 | 22.0 mm | 19.4mm |
• models since November 1992 | 25.0 mm | 22.4mm |
- other models: | ||
• solid disk | 12.0 mm | 10.0 mm |
• ventilated disc | 22.0 mm | 19.4mm |
Maximum allowable disc runout | 0.12 mm | |
Minimum allowable thickness of brake pads | 2 mm |
Rear brakes
Brake disc diameter | 258 or 278 mm | |
Brake Disc Thickness: | New | Minimum |
– models 320 and 300 with 24 valves Station wagon | 20.0 mm | 17.4mm |
- other models | 9.0 mm | 7.3mm |
Maximum allowable disc runout | 0.15 mm | |
Minimum allowable thickness of brake pads | 2 mm | |
Parking brake drum diameter | 164 mm |
Tightening torques
Bolts for mounting the ABS sensor mounted on the wheel: | |
- front sensors | 22 Nm |
- rear sensors | 8 Nm |
Brake disc mounting screw | 10 Nm |
Connecting nuts for brake pipes: | |
- to the caliper | 18 Nm |
- other connections | 15 nm |
Caliper bleeders | 7 Nm |
Front caliper: | |
- guide pin bolts (movable caliper) | 35 Nm |
- caliper holder bolts | 115 Nm |
Nuts of fastening of the main brake cylinder | 20 Nm |
Rear caliper mounting bolts: | |
– Models 280E with speed control | 70 Nm |
- other models | 50 Nm |
Wheel bolts | 110 Nm |
Nuts of fastening of the vacuum amplifier of brakes | 20 Nm |
Connecting nut of a hose of the vacuum booster of brakes | 30 Nm |