Brake system — general information The car is equipped with a working brake system with a hydraulic drive and diagonal separation of circuits, which significantly increases the safety of driving the car, as well as a vacuum brake booster, which reduces...
Brake system — technical data Front brakes The front brakes use ventilated brake discs and single-cylinder floating calipers. Brand – Girling Cylinder diameter, mm: cars with gasoline engines - 54 cars with diesel engines - 60 Brake disc diameter,...
Parts that must be replaced The following parts may not be reused: lock washer and axle ball joint nut: balancing weight holder; wheel bearing; corrugated protective cover with drive shaft bearing; self-locking nuts securing the vacuum brake...
Brake fluid Replacement frequency Brake design, especially disc brakes (hollow pistons that give off little heat, a small volume of brake fluid inside the cylinder, floating brake calipers, which made it possible to do without a...
Replacing front brake pads Pic. 12.1. Front brake caliper: A - cars with gasoline engines; B - cars with diesel engines; 1 - brake disc; 2 - caliper holder; 3 - protective cover; 4 - guide pin; 8 - 5 - brake pads; 6 - caliper; 7 - bleeder...
Front brake caliper repair Pic. 12.7. Front brake caliper repair: A - use of compressed air to squeeze the piston out of the caliper cylinder; B - removing the piston sealing ring from the caliper cylinder Remove the front brake caliper. Clean...
Front brake discs Removal Remove the brake pads. When removing the caliper, do not disconnect the brake hose from it. Remove two bolts ( 4, fig. 12.6 ) fastening the brake mechanism to the steering knuckle. Remove the two Torx T30 bolts...
Brake drums Attention. The brake drums must be of the same internal diameter and must be bored at the same time. Never exceed the maximum permissible diameter indicated on the drum. New brake drums are coated with a layer of...
Rear drum brake slave cylinder Note Be sure to replace the brake wheel cylinders as a pair, even if only one brake cylinder has failed. If there are brake fluid leaks from the brake wheel cylinder, it is recommended to replace it with a new one...
Replacing rear drum brake pads Note. Be sure to replace all pads on one axle of your vehicle, even if only one pad is worn. If the brake pads are to be reinstalled, they must be marked before removal. Removal Near the compensator, loosen the tension...
Replacement of rear disc brake pads Note. Be sure to replace all pads on one axle of your vehicle, even if only one pad is worn. Removal Lift the rear of the car, secure it to a support and remove the wheel. Remove the pin (1. fig. 12.13) fastening the...
Floating rear brake caliper calipers Removal Lift the rear of the car, secure it to a support and remove the wheel. To prevent brake fluid from leaking out, use a special device to block the brake pedal in the pressed position. Loosen the brake hose end to...
Rear brake discs Notes. If a brake disc needs to be replaced, both should be replaced to ensure uniform braking. When replacing brake discs, the brake pads must also be replaced. Brake discs cannot be resurfaced. Removal Remove the...
Master brake cylinder Pic. 12.17. Master brake cylinder: A - cars with gasoline engines; B - cars with diesel engines; 1 - pedal; 2 - rings; 3 - pedal bracket; 4 - bracket for the vacuum brake booster; 5 - gasket; 6 - vacuum brake booster; 7...
Vacuum brake booster Removal Disconnect the wires from the battery terminals and remove the battery from the vehicle. Remove the main brake cylinder from the vacuum brake booster and attach the reservoir to the main brake cylinder with a...
Brake booster air filter To replace the air filter, it is not necessary to remove the brake booster. Remove the protective cover. Use a metal hook to remove the air filter (F, Figure 12. 21) from the vacuum brake booster Cut the new air filter...
Removing air from the brake system The vehicles are equipped with a working brake system with diagonal separation of circuits Bleeding can be done under pressure using a bleeder or by pressing the brake pedal. When bleeding the brake system, use the MS...
Parking brake lever Inside the car Remove the parking brake console mounting bolt. Fully lower the parking brake lever. Disconnect the parking brake warning lamp connector and remove the electrical wiring. Under the car Mark the adjustment...
Adjusting the parking brake Pic. 12.23. Parking brake: 1 - lever; 2 - main cable; 3 - clamp; 4 - right rear cable; 5 - left rear cable Incorrect adjustment of the parking brake, in which the cable is too tight, interferes with the normal operation...
Brake hoses and tubes Cars use brake hoses without copper O-rings. Sealing is ensured by a conical shoulder (U, fig. 12.26) hose tip. Brake hoses provide movable connections between the moving and stationary parts of the car. Pic. 12.26....
Checking the pressure regulator Checking and adjusting the pressure regulator should be carried out with the vehicle equipped, with a full fuel tank and the driver in his seat. Hydraulic service brake system with diagonal circuit separation «X»...
BOSCH anti-lock braking system Pic. 12.29. ABS brake system components: 1 - wheel speed sensor; 2 - gear rotor; 3 - wiring harness; 4 - control unit; 5 - bracket; 6 - hydraulic tubes; 7 - main brake cylinder; 8 - connection bus «mass» The anti-lock...
Front wheel speed sensor Attention. Avoid falling and hitting the sensor head. Removal Remove the wheel. Disconnect the electrical connector from the sensor. Remove the sensor mounting bolt. Remove the sensor. Pic. 12.31. Location of the front...
Rear wheel speed sensor Removal Remove the hub/brake drum. Disconnect the brake pipe from the brake wheel cylinder Unscrew the nut of the lower fastening of the brake shield and mark its position Remove the 6 bolts securing the rear wheel hub...
ABS hydraulic unit with control unit The control unit and hydraulic unit form a non-separable unit, so if any of them malfunctions, the entire unit must be replaced. Removal Pic. 12.33. Removing the hydraulic unit: 1 - electrical connector of the ABS...
Bleeding the brake system with ABS Bleed air from the brake system with ABS in the following order: right rear wheel; left rear wheel; right front wheel; left front wheel. Do not operate the anti-lock braking system unless it has been bled. If the...