Brake system of the car Toyota Camry 3 (XV30)

Brake system — general information
The vehicles described in this manual are equipped with a hydraulic brake system. Front brakes are disc, rear brakes are disc or drum. All brakes are equipped with automatic brake pad clearance adjustment. The wear of...

Vacuum brake booster
Pic. 6.3. Camry Vacuum Brake Booster: 1 - brake hose No. 3; 2 - brake hose No. 2; 3 - brake hose No. 5; 4 - brake hose No. 4; 5 – the main brake cylinder in gathering; 6 – a tank of the main brake cylinder (1MZ-FE); 7 -...

Anti-Lock Braking System (ABS)
Pic. 6.4. Scheme of the circuit of the brake system of a Camry car: 1 - front wheel speed sensors; 2 - brake fluid level indicator; 3 – stoplight switch; 4 - pressure sensor of the main cylinder; 5 – the main brake...

Front wheel disc brakes
The brake caliper is attached to the steering knuckle with two bolts. The fluid pressure generated by pressing the brake pedal is converted into braking force. This force acts equally on the piston and caliper. As a...

Checking and adjusting elements of the brake system
Check the brakes on a dry and level road. Test the brakes at various vehicle speeds with light to hard pressure on the brake pedal, avoiding brake lockup and tire slip. Three main factors influence the braking process:...

Checking the brake fluid level in the hydraulic reservoir
The brake fluid reservoir is located in the engine compartment. The reservoir has a transparent body, so the brake fluid level can be controlled from the outside. The brake fluid level should always be closer to the...

Brake hoses
Brake hoses should be checked at least twice a year. To prevent sudden failure of the brake system, carefully check the condition of all pipes and connections, paying particular attention to the following: Metal...

Brake pedal height adjustment
Pic. 6.8. Brake Pedal Height Adjustment Diagram: 1 - stock; 2 - stop signal switch; 3 - pedal height Check and adjust brake pedal height (pic. 6.8). Pedal height from floor: 144.1-154.1 mm Disconnect the brake light...

Checking the free play of the brake pedal
Stop the engine and press the pedal several times to eliminate the vacuum in the vacuum booster. Pic. 6.10. Brake pedal free travel adjustment Press the pedal until you feel resistance (pic. 6.10). Pedal free play:...

Checking the brake pedal range
Pic. 6.11. Checking the brake pedal range Release the parking brake lever. With the engine running, depress the pedal and measure the pedal travel (pic. 6.11). Brake pedal travel margin from floor covering at a pressing...

Checking the performance and tightness of the vacuum booster
Pic. 6.12. Checking the brake pedal travel with the engine off Depress the brake pedal several times with the engine off and check that the pedal travel does not change (pic. 6.12). Press the brake pedal and start the...

Vacuum booster valve check
Remove the clamp and disconnect the vacuum hose. Remove the vacuum valve. Pic. 6.14. Vacuum booster valve check Purge the valve and check if there is a free air outlet from the valve (pic. 6.14). If there is no free...

Bleeding the brake system
Pic. 6.15. Fill with fresh brake fluid Use only fresh DOT 3 or DOT 4 brake fluid. Bleeding from the hydraulic drive of the working brake system is necessary to remove air, which significantly reduces the braking...

Bleeding ABS/VSC system pressure modulator
Also bleed the ABS/VSC pressure modulator. Remove the modulator reservoir cap. Pic. 6.19. Attaching a special tool to the pressure modulator for pumping Attach special device 09992-00242 instead. Connect vinyl tubing to...

Checking and adjusting the parking brake
Check the travel of the parking brake lever. Pull the parking brake lever all the way and count the number of clicks. Parking brake lever travel at 200 N: 6-9 clicks Movement of the parking brake pedal with a force of...

Removing the brake master cylinder
Attention! Avoid spilling brake fluid on painted surfaces. If brake fluid comes into contact with a painted surface, wash it off immediately. Drain the brake fluid. Note. For models with a 1MZ-FE engine, the air cleaner...

Disassembly of the master brake cylinder
Using a screwdriver, push the pistons all the way, unscrew the lock bolt and remove the O-ring. Note. Wrap the screwdriver with plaster or adhesive tape so as not to damage the pistons and cylinder bore. Pic. 6.26....

Check and installation of the main brake cylinder
Check for rust and scratches on the cylinder mirror. Check for wear or damage to the cylinder. If necessary, replace the cylinder. Attention! Replace all parts included in the repair kit used to service the brake master...

Check, removal and installation of the vacuum amplifier of brakes
The operation of the vacuum brake booster, located on the engine shield, is based on the use of intake manifold vacuum and atmospheric air pressure. After completing each operation, which included the removal of any of...

Replacing the front brake pads, removing, disassembling and installing the front caliper
When the cylinder body is open, do not press the brake pedal, otherwise the piston will pop out. Be careful not to damage the piston boot or allow oil to get on the brake disc. When replacing pads, always replace the...

Replacing the rear brake pads, removing, disassembling and installing the rear caliper
Pic. 6.47. Camry rear wheel disc brakes: 1 - flexible hose; 2 - gasket; 3 - guide pin; 4 - anther; 5 - bleed valve; 6 – a protective cap of the pumping union; 7 - stuffing box; 8 - piston; 9 - piston boot Disc brake...

Dismantling, checking and assembling the brake mechanism of the parking brake
Disassemble the rear disc brake as described in the previous section. Hang the caliper without disassembling it, and securely fasten it with wire. Check if the brake hose is tight. Release the parking brake lever (or...

Removal and installation of the sensor of speed of rotation of a forward wheel
Pic. 6.71. Front Wheel Speed Sensor Mounts In order to remove the front wheel speed sensor, remove the fender liner and disconnect the sensor connector and clip, as shown in Figure 6.71. Pic. 6.72. Releasing the speed...

Removal and installation of the pressure modulator
Remove the right front fender liner. Loosen the air conditioning hose bracket bolt. Pic. 6.74. Disconnecting the tubing from the pressure modulator Using the special tool, unscrew the 6 mounting nuts and disconnect the...

Removing and installing the brake pedal
Pic. 6.76. Brake Pedal Components: 1 – stoplight switch; 2 - pedal bracket; 3 – a saddle of the plug of fastening of a pedal; 4 - brake pedal; 5 - pedal stop; 6 – an axis of a fork of the main brake cylinder; 7 -...

Possible malfunctions of the brake system
Table 6.1. Possible malfunctions of the brake system, their causes and remedies