Too much brake pedal play
Partial or complete wear of the brake linings
Replace brake pads.
Failure of one of the brake circuits
Check the brake circuits for brake fluid leakage.
The brake pedal is pressed far down and springy
Air in the brake system
Remove air from the brake actuator.
Too little brake fluid in expansion tank
Add brake fluid, bleed the brakes.
Steam bubble formation
Most often after a heavy load on the brakes, for example, during a steep descent.
The braking effect is reduced, the brake pedal is depressed to the stop
Leaky pipeline
Tighten the nuts at the joints or replace the pipeline.
Damaged cuff on the brake master cylinder or on the wheel cylinder
Update cuff. In the main brake cylinder, replace the internal parts, if necessary, replace the main cylinder.
Poor braking action despite a lot of effort applied to the brake pedal
Oily brake pads
Update your overlays.
Wrong or hardened brake lining
Update the pads, use only original pads from the vehicle manufacturer.
Faulty vacuum brake booster, defect and porosity of the booster hose
Check booster and booster hose.
Worn brake pads
Replace pads.
The brake mechanisms of the wheels do not act simultaneously (brakes «pull» one way)
Tire pressure not correct
Check the tire pressure and bring it up to normal.
Uneven tire wear
Replace worn tires.
Oily brake pads
Update your overlays.
Brake linings of different brands are installed on the same bridge
Replace pads, use only original pads from the vehicle manufacturer.
Poor condition of the working surface of the brake lining
Replace pads.
Contaminated caliper cavities
Clean the seating and guiding surfaces of the caliper brake pads.
Wheel cylinder corrosion
Replace brake caliper.
Uneven brake lining wear
Update your brake pads (both wheels) and check the caliper travel.
Brakes work on their own
Equalizing hole in brake master cylinder clogged
Clean the cylinder and have the internal parts replaced at a workshop.
The gap between the pusher and the piston of the main brake cylinder is too small
Check clearance.
Heating up the brakes while driving
Equalizing hole in brake master cylinder clogged
Clean the brake master cylinder and have its internal parts replaced at a workshop.
Heavy brake travel
Lubricate the moving parts of the drum brake. Move the caliper (In workshop).
Rattling brakes
Wrong brake pads
Replace pads. Use only original vehicle manufacturer's pads.
The brake disc is covered in places with corrosion
Clean your disc thoroughly.
Brake disc has lateral runout
Modify the disk or replace.
Brake pads do not move away from the brake disc
Wheel cylinder corrosion
Rebuild the caliper, replace if necessary.
Uneven pad wear
For disc brakes only
Wrong brake pads
Replace pads. Use only original covers from the vehicle manufacturer/
Caliper dirty
Clean the cavity of the caliper.
Difficult stroke of wheel cylinder pistons
Consume pistons.
Leakage of the brake system
Check the tightness of the brake system.
Wedge-shaped brake pad wear
Brake disc does not rotate parallel to caliper
Check the contact surface of the caliper.
Caliper corrosion
Eliminate corrosion and contamination of calipers.
Squealing in the brakes
Often attributed to atmospheric influences (humidity)
No intervention is required if the brake squeak occurs after a long stop in high humidity, but after the first braking does not occur again.
Wrong brake pads
Replace pads. Use only original vehicle manufacturer's pads.
Brake disc does not rotate parallel to caliper
Check the contact surface of the caliper.
Caliper cavities are dirty
Clean the cavity of the caliper.
Pulsating brakes
Action ABS
Normal, no intervention required.
For disc brakes only
Brake disc lateral runout or disc thickness tolerance too high
Check runout and disc thickness tolerance. Modify or replace the disk.
Brake disc does not rotate parallel to caliper
Check the contact surface of the caliper.
ABS warning light on while driving
Low battery power (voltage less than 10 volts)
Check battery voltage. Make sure the battery charging light goes out after starting the engine. Otherwise, check the condition of the ribbed belt and alternator.
Read the recommendations for ABS/EBV/EDS/ASR/ESP active safety systems.
Check wire terminal «masses» (-) from the return pump of the hydraulic unit and check that it is firmly fixed and not rusted.
ABS malfunction
Contact a workshop to have the ABS checked.
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