If your brake caliper pistons are not working properly, it could ultimately lead to brake failure and leave you in a dangerous situation. If you notice a compression issue, whether it is while you are replacing brake parts or while you are driving, you should fix the issue immediately. What Are Your Best Options to Fix the Caliper Piston Issue? The brake caliper piston could be snagging or catching because of any slight bend or deformity. Your piston could be slightly misshapen or bent, which would cause the piston to stick and not be able to fully compress. If you are operating a vehicle that you only get out occasionally, you want to check or test the brakes and the pistons before traveling far. If your compression issue is happening on a vehicle that is not driven on a regular basis, it can cause the pistons to rust or stick.
#Pontiac g6 recompress calipers full#
If the pressure is off balance or not applied to the full area, it could cause the piston not to compress. While you are trying to compress the brake caliper piston, be sure you are applying constant even pressure on the entire piston. The piston may need to be cleaned well or replaced if this is the issue. If the piston has any type of buildup or corrosion on it, it could be causing it to not be able to fully compress. You may be able to work through this by clamping it for a short time to apply pressure and then try to run the piston in and out several times to see if it improves. It is possible that your piston is catching on a “tough spot” during compression. The piston could be hitting a tough spot.If you’re quite certain that you are turning and compressing at the same time or you are using the vise or cube tool and still having issues, consider some of these other options. What Are Some Other Reasons my Caliper Piston Won’t Compress? Some auto parts stores will let you check out the needed tool, but it can also be purchased at a reasonable price.
If you are having trouble doing these 2 things together, it is a much simpler process if you utilize the right tool to do so. If you are having trouble compressing, this should be your first goal to try. The primary key to getting the caliper piston to compress requires you to both compress and turn simultaneously. You must compress the piston and turn it clockwise at the same time, which can be a challenge. The primary cause of brake caliper pistons not compressing when you’ve replaced brake pads or parts is the lack of the right tool. The hydraulic pressure is applied to one or more brake caliper pistons, which cause the brake pads to clamp against the rotor, slowing the vehicle or eventually stopping it. When you initiate your brake system by stepping on the brake, the master cylinder emits brake fluid that forms hydraulic pressure. The brake caliper acts as a clamp on the rotor, fitting over it in a manner that it can compress down against the rotor. The brake caliper piston applies pressure to the rotor and creates friction that ultimately slows your vehicle and allows you to stop. If something is not working correctly with the brake calipers, your brakes may fail and you might not be able to stop. Brake Caliper Piston Won’t Compress How Brake Caliper Pistons Workīrake calipers are one of the most essential parts on your vehicle.
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