The front and rear pads of car braking systems are often made in the form of steel plates with linings made of heat-resistant and wear-resistant material. The friction surface in these elements are designed for repeated use, pressing against the metal parts of drum or disc brakes. The wear intensity of the front and rear pads depends on the manufacturing technology of these elements, car working conditions and driving style.
When a replacement is needed
The thickness of the friction linings determines the need to replace the brake pads. The friction of such checks is usually mentioned in the car manual, but often such parts are replaced after a run of 5-20 thousand kilometers. The minimum values are appropriate for cars with intensive use, including off-road. The maximum mileage is selected for quiet driving on asphalt surfaces.
Generally, the pads do not wear evenly, so make a habit of checking the conditions of the friction linings regularly. As a rule, the thickness of such a coating should be at least 1.5-2 mm. Make sure to visit a car repair Bangalore and monitor its condition, replace the brake pads as part of routine maintenance work at least twice a year or during car repairs.
How to determine wear on friction linings:
By directly checking the light and sound signal of the pad wear sensor.
- By the increase of the braking distance and response time to pressing the brake pedal.
- Increases consumption of the brake fluid, overheating of discs or drums.
- Vibrations and knocks at the pads while braking.
- Skidding off the car due to uneven wear or destructions of the pads.
- Failure while applying brakes when overheated friction surfaces are seized.
- Inability to fix the wheels of the vehicle by using hand brakes.
Make sure to determine the wear of the friction surfaces with visual inspections and diagnosis of the braking system. Most often, the front axle pads need to be replaced first because of their extra load.
What causes friction surfaces to wear out
The brakes pads are installed on the car wheels, but the wear is uneven. Premature replacement becomes necessary in the following cases:
- Destruction of pads due to collision with an obstacle or other cars.
- Fast wear because of heavy braking and aggressive driving style.
- The ingress of sand, moisture and dust on the friction surfaces.
- Long service life because of untimely maintenance.
When the metal surface gets completely worn out, the metal parts get exposed, which leads to mechanical damage to the discs and drums to the destruction of braking system parts.
Replacing the pads in the service
The latest pad technology is the same for the front and rear axles. For making such repairs, original spare parts or less expensive counterparts are most suitable. Firstly, the car is installed on a lift, the suspension, wheel hubs are inspected, wheels, pads, discs, drums are removed.
A professional mechanic from car repair Bangalore, cleans all the parts, installs new pads, and adjusts the gaps. Then they move on to check the tension of the parking brake cable, the spring cable and drums. After the pads placement, the wheels are mounted, the system is pumped, and the brakes are controlled. The friction surface wears in the course of a few days, so you will need to move with patience.
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