How To

How to Install Brakes on a Car

Contributor
By eHow Contributing Writer
(4 Ratings)

If your car doesn't have good brakes, it's not going to stop well. Installing new brakes on the cars means changing the brake pads inside the wheel rotors that press on the wheel to slow it down.

Difficulty: Challenging
Instructions

Things You'll Need:

  1. Step 1

    Remove the tire from the car. Unscrew all the lugnuts and the wheel will come off. Use the correct size tire iron to avoid stripping the nuts and be sure to hang onto them all to replace later.

  2. Step 2

    Compress the brake caliper's piston so a new thicker brake pad will fit. Insert a flathead screwdriver between the brake pad and rotor (not directly on the piston) and apply smooth pressure to the piston until it bottoms out.

  3. Step 3

    Disconnect the brake caliper. Loosen the bolt with the correct wrench for its size and the caliper should slide off. Rest the caliper where it won't hang by the hose so you won't damage the hose.

  4. Step 4

    Remove the old brake pads. Unhook the springs and jiggle the pads out of place. Hang on to the springs and guide shims, as the new brake pads likely won't come with their own.

  5. Step 5

    Prepare the rotor for reinstalling all the parts. Clean rust and corrosion off the guide shim perches with a flat tool. Grease the caliper everywhere it connects to the rotor using a silicone-based lubricant.

  6. Step 6

    Install the new brake pads, sliding them into the guide shims and putting the springs back on. The pads with the wear indicators should be on the inside of the rotor.

  7. Step 7

    Mount the brake caliper back in place, securing the boot in the retaining ring and replace the bolts without twisting the hose. Put the wheel back on the rotor bolts and replace the lugnuts.

Tips & Warnings
  • Some cars may not have the springs on the brakes.
  • You need to build pressure in the new brakes for them to work. Pump the brake pedal smoothly to do this, but not all the way to the floor.
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