System type - Front and rear disc brakes, dual master cylinder with separate front and rear hydraulic circuits, vacuum servo and pressure limiter in the rear circuit. Anti-lock Braking System (ABS) on some models. Handbrake, controlled by a cable on the inner shoes of the rear brakes.
Front brakes
Disc diameter - 258 mm
Minimum thickness:
- Without holes - 10.7 mm
- With hole - 22.0 mm
Thickness difference (maximum) - 0.007 mm
Output (maximum) - 0.1mm
Minimum brake pad thickness (including shield)... 7.0 mm
Rear brakes
Disc diameter - 270 mm
Minimum thickness - 8.0 mm
Thickness difference (maximum) - 0.007 mm
Output (maximum) - 0.1mm
- Minimum brake pad thickness (including shield) — 7.0 mm
- Minimum thickness of handbrake shoes (only gasket) — 1.0 mm
General
Brake Fluid Type/Specification - Hydraulic Fluid FMVSS 571 or 116, DOT 3 or 4, or SAE J1703 (Duckhams Universal Brake and Clutch Fluid)
The gap between the rear wheel speed sensor and the drive is 0.5 and 1.5 mm
Tightening torques, Nm
Caliper bleed nipple - 9
Front Master Cylinder Mount - 20
Vacuum booster - 20
Brake disc - 4
Rear caliper - 65
Front Caliper Mounting Bolts (replace each time using thread locking fluid)*:
- Stage 1 - 95
- Stage 2 - Tighten 30-45°
Front caliper frame - 95
Caliper bolt - 40
ABS Modulator - 3
Front ABS Modulator Frame - 10
Handbrake lever - 20
Vacuum Booster Holder - 18
Master cylinder to vacuum booster - 22
Brake Pipe Connecting Nuts/Bolts - 11
Wheel bolts - 90
* Cm. Section 13 for more information
(The source is on the online website: «OpelBook»)
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