Contents: 46. The car pulls to the side when… ↳ 47. Noise (high frequency squealing… ↳ 48. Long brake pedal travel ↳ 49. Brake pedal failure ↳ 50. Stopping the car requires… ↳ 51. The pedal presses to the floor… ↳ 52. Pedal pulsation when braking ↳
Note: Before working on the brakes, make sure the tires are in good working order and the tyres are inflated (see chapter 1), the car is level and the load does not tilt it to the side, the front wheel alignment is set correctly.
46. The car pulls to the side when braking
1. Damaged, defective or oily brake pads on one side. Check (see chapter 9).
2. Severe wear of the brake pad or disc on one side. Check and correct as necessary.
3. Front suspension components are loose or disconnected. Check and tighten all bolts (chapter 10).
4. Brake caliper assembly with defects. Disassemble the brake caliper to detect a seized piston or other damage (chapter 9).
47. Noise (high frequency squealing noise when braking)
The brake pads are completely worn out. The noise comes from the wear sensor, which rubs against the disc (does not apply to all cars) or from the base of the pad itself, if the coating has completely worn off. Replace the brake pads with new ones immediately (chapter 9). If the friction coating has completely worn off the pads, the brake discs should be inspected for integrity as stated in chapter 9.
48. Long brake pedal travel
1. Partial damage to the brake system. Check the entire system (chapter 9).
2. There is not enough fluid in the brake master cylinder. Check (chapter 1), add fluid and bleed the brakes if necessary (chapter 9).
3. The rear brakes are not adjusted correctly. You should start off and stop in reverse several times. If this does not help, disassemble the brake drums and check the automatic clearance adjustment device (chapter 9).
49. Brake pedal failure
1. Air in the hydraulic system. Bleed the brakes (chapter 9).
2. Flexible hoses are faulty. Check all pipeline and hose connections. If necessary, move the elements to the desired position.
50. Stopping the car requires particularly strong pressure on the pedal
1. The brake booster is not functioning properly (chapter 9).
2. The brake pads or linings are badly worn. Check and replace if necessary (chapter 9).
3. The newly installed pads have not been worn in. New parts are relatively quickly worn in to the drum or disc.
4. One or more caliper pistons are seizing or jamming. Check, repair as necessary (see chapter 9).
5. The brake pads or linings are oily. Clean them.
51. The pedal presses to the floor with almost no resistance
No or insignificant amount of working fluid in the main brake cylinder. Due to leaks through wheel cylinders, caliper pistons, weakening, damage or disconnection of pipelines. Check the entire system.
52. Pedal pulsation when braking
1. The caliper is not installed correctly. Disassemble and check (chapter 9).
2. Disk defects. Disassemble the disk (chapter 9) and check for excessive wear and wobble. Repair the disc or replace it with a new one.
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