How do you remove a piston from a brake caliper?
Remove the outer dust seal, too. Now you need to remove the piston–but you’ll quickly realize there’s no way to grab it. Get a piece of wood slightly thicker than both brake pads stacked together. Put that wood in the caliper aft of the piston, and add low-pressure compressed air to the inlet port. Pop! Your piston is out.
Can you push back the Pistons on a parking brake?
You should hear the pistons are going back for 2-3 seconds if everything is done right. It is also possible to push back the pistons with 12v+ power and ground, but nothing we will talk about here cause it can damage your parts. You also need to do a calibration afterward, which is difficult without a tool.
Why are the brake caliper pistons so important?
The caliper pistons are an essential part of the brake system. They are pushing the brake pads against the brake disc to make the car reduce the speed. The brake caliper pistons have a rubber boot around them to prevent dust and other particles from coming into the brake system.
Why does my brake caliper keep sticking out?
They are pushing the brake pads against the brake disc to make the car reduce the speed. The brake caliper pistons have a rubber boot around them to prevent dust and other particles from coming into the brake system. It is quite common that this boot gets damaged, and water and other dust will come into the piston.
How to retract a brake caliper piston on rear brakes?
How to retract a brake caliper piston on rear brakes. Rewinding the caliper piston – YouTube If playback doesn’t begin shortly, try restarting your device.
How do you rotate a rear disc brake?
This where a tool is used to rotate the piston back into its bore, while at the same time compressing the piston. Go to your local parts store, and look for a tool that rotates and compresses the piston back into it’s bore for rear disc brakes. Try calling your Mercury dealership or Napa. There is probably a special tool for this.
How do you turn a piston back into the bore?
If that doesn’t work, and the piston has notches in it, use a pair of plyers to grab onto those notches and turn the piston back into the bore. Make sure the cover is off the master cylinder reservior. [b]If you look at the piston for the rear brake caliper, you’ll see some sort of feature on the face of the piston.
How can I get the piston back in my car?
What you have probably been trying to do is force the piston back in with a C-clamp or simmilar device. On some brakes that will work, but you have to remove the lever from the back side of the caliper. It’s attached to the parking brake cable. You probably had to detach the cable to replace the pads.