Contents: Front brakes ↳ Rear brakes ↳ Drive system ↳ Brake fluid ↳ Master brake cylinder ↳ Vacuum brake booster ↳ Pressure regulator ↳ Tightening moments ↳
The service brake with anti-lock braking system is actuated by a hydraulic dual-circuit master brake cylinder (tandem type) and additionally by a hydraulic auxiliary device.
The hydraulic circuits of the front (right and left) brakes are separated and controlled by the master brake cylinder. The rear brakes (in the "Y" system) are controlled by a hydraulic auxiliary device.
The handbrake is mechanically actuated and operates the rear brakes.
Front brakes
The front brakes are disc brakes. They use ventilated discs and single-piston floating calipers.
| Brake disc outer diameter | 260 mm (cars with 2.9 l 24V engine – 278 mm) |
| Disc thickness: | |
| - nominal | 24.05 mm |
| - minimum acceptable | 22.2 mm |
| Maximum disc runout | 0.15 mm |
| Caliper cylinder diameter | 60.0 mm |
| Brake pad type | Ferodo 343 25 FF |
| Brake pad sizes | 38 x 111 mm |
| Thickness of overlays (without base plate): | |
| - nominal | 18.0 mm |
| - minimum acceptable | determined by the wear of the groove on the surface of the brake pad |
Rear brakes
The rear brakes are disc brakes. They are equipped with full discs and floating calipers with one piston.
| Support: | |
| - brand and type | Ford L2 9024 |
| – piston diameter | 43 mm |
| Disk: | |
| – outer diameter | 252.7 mm (cars with 2.9 l 24V engine – 272 mm) |
| – thickness: | |
| nominal | 10.1 mm (on cars) "Turnier" and with 2.9 l 24V engines – 20 mm) |
| nominal permissible | 8.9 mm (on cars) "Turnier" and with 2.9 l 24V engines – 18 mm) |
| – maximum disc runout | 0.15 mm |
| Brake pads: | |
| – brand and type of pads | DON 8106/1 |
| – nominal thickness | 13.5 mm |
| – nominal permissible thickness | determined by the wear of the groove on the surface of the brake pad |
Drive system
The system that operates the service brake is hydraulic, contains a dual-circuit master brake cylinder and a hydraulic auxiliary device, as well as an anti-lock braking system.
| Brand | ABS Teves MK II, from 04.1992 – ABS Teves MK IV |
| Electronic control device | Teves |
| Wheel speed sensor resistance | 0.8 – 1.4 Ohm |
| Control pressure | 4 – 9 MPa |
| Operating pressure of the safety valve of the system | 21 MPa |
Brake fluid
| Quantity | 1.4 dm³ |
| Type | brake fluid Ford SAM 6C 9103 A |
| Replacement frequency | every 60,000 km or once every two years |
Master brake cylinder
In the cavity of the main cylinder there are two pistons located in series, each of which controls its own circuit.
| Brand | Bendix or Ate |
| Piston diameter | 22.0 – 22.2 mm |
Vacuum brake booster
The brake booster operates on the master cylinder and contains a single diaphragm.
Effective diameter: 227 mm.
Pressure regulator
The pressure regulator is installed on the rear brake line and limits the braking force of the rear wheels.
Tightening moments
| Bracket of the caliper to the steering knuckle of the wheel | 65 – 75 Nm |
| Fastening the front brake caliper to the bracket | 31 – 35 Nm |
| Rear Brake Caliper Holder Mount | 51 – 61 Nm |
| Fastening the rear brake caliper to the guide pin | 51 – 61 Nm |
| Fastening the hydraulic control unit to the front bulkhead | 41 – 51 Nm |
| Fastening the hydraulic accumulator to the brake cylinder | 34 – 46 Nm |
| Brake cylinder mount | 70 – 90 Nm |
| Fastening of connectors (Banjo) of high pressure pipelines | 16 – 24 Nm |
| Brake fluid reservoir holder mount | 40 – 60 Nm |
| Wheel speed sensor mount | 85 – 110 Nm |
| Deaerator, max | 10.5 Nm |
| Wheel mounting nut | 100 Nm |
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