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How to Repair Your Car Brakes

Last Updated March 25, 2022

Brakes are the most essential condom feature of whatever vehicle, so merely fix them yourself if you accept the correct tools and enough confidence to do the job well. You tin can learn how to change the brake pads and rotors yourself in no time at all. Every bit with most of the actually important parts of the car, the design of the brakes hasn't changed much in years, which is good considering one time you larn how to supplant the brakes you can apply that noesis to all cars old and new.

How Brakes Work

The brakes operate using a uncomplicated hydraulic organisation that transfers the force per unit area you use to the pedal onto the brake pads and rotors. When you push downwardly on the brake pedal, a lever pushes a piston into the main cylinder that's filled with hydraulic fluid. This fluid is then squirted along pipes which feed another cylinder positioned side by side to the brakes to complete an hydraulic organization that multiplies the force y'all put into the pedal.

Knowing When to Supersede the Brakes

With some cars yous'll know the instant the brakes need changing considering you lot'll need to apply them before than normal to terminate for the corner but with other cars that's non so obvious, particularly if yous're used to driving a truck with different loads in the back and on different road surfaces which mean you adapt your driving way to match the condition of the road and the weight of the vehicle. When the brake pads wearable downward, yous'll commencement to hear a squeaking noise whenever yous try and dull the vehicle. Thankfully some newer cars have brake pad sensors that alert the driver when the pads need replacing.

Preparation

According to domicile services websites, the average cost of changing pads and rotors on a typical machine is $324. That varies from state to state simply y'all can expect to relieve function of those costs if yous practise the work yourself. To begin the job y'all'll need to purchase new brake pads and rotors. When you get home, put the auto in brake and then begin the job by loosening the lug nuts. Now raise the jack and so rest the auto on jack stands.

Replacing the Brakes

Now remove the bolts from the caliper and slide it out. At present remove the bolts on the rear of the hub that keeps the caliper carrier in identify. You might need to whack the rotor with a hammer to get information technology off. Do whatever information technology takes because you don't need the quondam rotor anyway. Now use a wire brush to remove rust from the hub before installing the new rotor. Then you replace the caliper carrier bolts and you'll be ready to compress the caliper piston. Do this until the piston is flush with the housing of the caliper. To complete the task, install pads in the carrier and utilise some grease on the outside of the pad for shine operating.

To Stop

Put the bicycle dorsum on and tighten the lug nuts to consummate the job. Although you've got new pads and rotors on the vehicle, you'll hear some squeaking to begin with. That'south normal when y'all've changed the brakes. To become rid of that, drive on a highway at around 60 MPH and then gradually decrease speed to forty using the brakes. Practice the aforementioned from 50 to xxx MPH a few times and then but drive around and use the brakes equally normal. Y'all'll shortly observe the racket get abroad.