How do you replace the pads on a piston?
You probably had to detach the cable to replace the pads. If you didn’t detch the cable now, then detach the lever from the caliper, and try pushing with the c clamp. 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.
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.
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.
How do I change the rear brake pads?
Hi, the rear caliper pistons need to be turned and pushed at the same time. There is a special tool that is used for this procedure. Many of the auto parts stores have universal caliper piston tools that will work for this. eurotec : The parking brake cable also needs to be detached when trying to reset the pistons.
How does a piston work on a brake pad?
These pistons extend outward in a counter-clockwise direction to apply pressure on to the brake pad while braking. With this particular vehicle, the pad braking material had worn off and the brake pad plate was making metal-to-metal contact with the rotor thereby ruining the rotor.
What happens when you change rear brake pads?
The aluminum housing corrodes internally and when you press the piston back in it will stick almost everytime. Replacing the brake fluid yearly helps this problem but it does not guarantee it won’t happen again next time you change pads.
What to do if your rear brake caliper won’t go in?
The rear calipers usually integrate the parking brake by fitting a brake lever and cable to the caliper. The manual parking brake obviously needs to be released before the removal procedure. Use a wind-back tool to turn and push the piston simultaneously. Some calipers will turn clockwise and some anti-clockwise.
Why do my rear calipers stick all the time?
Those are aluminum calipers and on those trucks i see them stick or leak all the time after doing the brakes. It just seems to be the rear on that design. A lot of times pistons on calipers will get a ridge on them.. when you push piston past the ridge will get stuck.