GM 19213345
Wheel Cylinder, Rear

Before fixing or repairing the Wheel Cylinder, you should take out the bleeder valve, boots, pistons, seals and spring assembly. Watch out for scratches and rust develop inside the cylinder bore and inspect the spring by looking for signs of heat damage; if something is wrong, get a new spring. If any scoring is still present inside the cylinder, you should replace the Wheel Cylinder. Later, use clean brake fluid to clean the inside of the cylinder. To install, grease the pistons, seals and inside the cylinder with clean brake fluid and after that, fix the spring, seals, pistons and boots in their place. The last step is to add the bleeder valve and tighten it to the setting of 13 nm (110 inch lbs.).

You should first take out the linings to service and repair the wheel cylinder for Duo-Servo Drum Brakes. Unhook the brake pipe from the back of the master cylinder and detach it by removing the bolts and then take out the wheel cylinder. To install, put the wheel cylinder where it belongs and use the guidelines listed in the Fastener Notice in Service Precautions. Add the bolts and tighten them to 25 Nm (18 ft. lbs.), after which attach the brake pipe and tighten its fitting to 17 Nm (13 ft. lbs. ). The last step is to put the linings back in place.

Before fixing or repairing the Wheel Cylinder, you should take out the bleeder valve, boots, pistons, seals and spring assembly. Watch out for scratches and rust develop inside the cylinder bore and inspect the spring by looking for signs of heat damage; if something is wrong, get a new spring. If any scoring is still present inside the cylinder, you should replace the Wheel Cylinder. Later, use clean brake fluid to clean the inside of the cylinder. To install, grease the pistons, seals and inside the cylinder with clean brake fluid and after that, fix the spring, seals, pistons and boots in their place. The last step is to add the bleeder valve and tighten it to the setting of 13 nm (110 inch lbs.).