How to Replace Disc Brake Pads
Auto Repair February 18th, 2008If you own a car you will someday you will have to replace the Disc Brake Pads on it. The Disc-brake systems are more friendly than the comparatively drum setups called the Neandethal. Because of this the components aren’t the obtrude of a brake drum, that is why the systems are easier to access and inspect them. Anybody that has any mechanic training can replace disc pads, but it is better if you let a certified mechanic do it because of other problems you can run into such as leaks (fluid) and rotor surface problems.
Things You’ll Need:
- Clips
- brake fluid
- Disc Brake Pads
- Caliper body inboard pad
- high-temp grease
- C-clamps and pad spreader
Step 1:
The replacement pads to the left came with the auto-rattle shims. To do this job you also will require basic hand tools, and you have to use a high-temp grease on these brakes. A pad spreader or a C-clamp is needed also to do this.
Step 2:
You have to have some sort of sound absorber or your pads will squeal. This sound absorber is used to separate them from the calipers. They come with adhesive-backed shims and sprays that is called the aerosol sound-deadener.
Step 3:
On the jackstands of your vehicle you have to raise and secure your vehicle. Then, you must remove the wheels on your car. Please leave one side assembled on your car to see if you are doing it right while you work on the other side of your car. You must begin by undoing the caliper from its mount. There is a pin’s/bolt’heads on it and it could be a standard SAE system or it could be a metric six-point, Allen/square or Torx. It just depends on which one you have.
Step 4:
At this time you have to retract the piston(s) on your brakes. The one to the left is intended for a calipers that is used for a single-piston. Another thing that will work is just a regular C-clamp. The method to the left is a caliper body inboard pad. Please check or inspect all calipers you use for leaks in the fluid and also for signs of damage.
Step 5:
On some vehicles today they put the pads clip into a metal bracket. It is easier to work on. You just reinstall these clips into the original location on your vehicle or they will rattle.
Step 6:
You can usually see and measured the thickness of these pad lining pads through the caliper’s opening. In the upper left of the picture you will see the wear-indiciator tang in which the pads are worn to close. If you drive your vehicle the wear of your pads can cause you bigger problems.
Step 7:
If your rotor is gouged or damaged, you must have it resurfaced or replace. If you have a vehicle that has a fixed-mount system on it your pad bracked must be taken off (unbolted) to removal the rotor. The rotor just be grooved if it doesn’t replace it.
Step 8:
When you remove the rotor please check to see if it needs resurfacing or replacing. Rotors are by the calipers and other require removing the dust cap, spindle nut and washer to free it from your vehicle. At this time you can check the wheel bearings to replace them or just re-grease them.
Step 9:
At this time the process of disassembly must be reverse so you can add the new pads. Please check for help in your service manual for the way you do it. Please put fresh brake fluid into the master cylinder.
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