Mercury EOZZ-2261-A Cylinder Assy - Rear Brake

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If an overhaul is indicated, usually because of fluid leakage or sticky operation, explore all options before beginning the job. New wheel cylinders are available, which makes this job quite easy. If its decided to rebuild the wheel cylinder, make sure that a rebuild kit is available before proceeding. Never overhaul only one wheel cylinder-always rebuild both of them at the same time. To remove, raise the rear of the vehicle and support it securely on jack stands. Block the front wheels to keep the vehicle from rolling. Remove the brake shoe assembly. Remove all dirt and foreign material from around the wheel cylinder. Disconnect the brake line. Don't pull the brake line away from the wheel cylinder. Remove the wheel cylinder mounting bolts. Detach the wheel cylinder from the brake backing plate and place it on a clean workbench. Immediately plug the brake line to prevent fluid loss and contamination. To overhaul, remove the bleeder screw,cups, pistons, boots and spring assembly from the wheel cylinder body. Clean the wheel cylinder with brake fluid, denatured alcohol or brake system cleaner. Use compressed air to remove excess fluid from the wheel cylinder and to blow out the passages. Check the cylinder bore for corrosion and score marks. Crocus cloth can be used to remove light corrosion and stains, but the cylinder must be replaced with a new one if the defects cannot be removed easily, or if the bore is scored. Lubricate the new cups with brake fluid. Assemble the brake cylinder components. Make sure the cup lips face in. To install, place the wheel cylinder in position and install the bolts. Connect the brake line and install the brake shoe assembly. Bleed the brakes.

When overhaul may be required, often because of fluid leakage or a sticky lifter, consider all possibilities before starting the work. New wheel cylinders are currently in stock, and as such, this is quite an easy task. If the decision is made to rebuild the wheel cylinder, make certain that there is a rebuild kit prior to starting. The practice is always to replace both wheel cylinders at the same time. First, use the car jack to lift the rear of the vehicle and then use the jackstands to support the car and also lock the front wheels to not move. Loosen the brake shoe assembly and cleaning all round the wheel cylinder to eliminate any dirt or any foreign material. Unfit the brake line and free the line by unscrewing the two bolts in the wheel cylinder and by taking out the fitting but you don't have to pull the line up from the cylinder. Third, the wheel cylinder mounting bolts are then withdrawn, the cylinder unmelded from the brake backing plate and set on the bare workbench, then the brake line has to be plugged avertfully to reduce loss and contamination of the fluid. In the overhaul, take out the bleeder screw, cups, pistons, boots as well as the spring assembly from the wheel cylinder body. Soak the cylinder with brake fluid and scrub it with denatured alcohol or brake system cleaner then blow the fluid and the passages with compressed air. Examine the cylinder bore for rust and score marks; mild rust can be rubbed off with crocus paper, if the defects cannot be rubbed off or if the bore is scored, the cylinder has to be replaced. Coat brand new cups in brake fluid and fit the other components of the brake cylinder with the cup lips pointed internally. The procedure for installation includes; firstly, positioning the wheel cylinder and then installing the bolts while the brake line is connected and before re installation of the brake shoe assembly the brake line must be bled.

If an overhaul is indicated, usually because of fluid leakage or sticky operation, explore all options before beginning the job. New wheel cylinders are available, which makes this job quite easy. If its decided to rebuild the wheel cylinder, make sure that a rebuild kit is available before proceeding. Never overhaul only one wheel cylinder-always rebuild both of them at the same time. To remove, raise the rear of the vehicle and support it securely on jack stands. Block the front wheels to keep the vehicle from rolling. Remove the brake shoe assembly. Remove all dirt and foreign material from around the wheel cylinder. Disconnect the brake line. Don't pull the brake line away from the wheel cylinder. Remove the wheel cylinder mounting bolts. Detach the wheel cylinder from the brake backing plate and place it on a clean workbench. Immediately plug the brake line to prevent fluid loss and contamination. To overhaul, remove the bleeder screw,cups, pistons, boots and spring assembly from the wheel cylinder body. Clean the wheel cylinder with brake fluid, denatured alcohol or brake system cleaner. Use compressed air to remove excess fluid from the wheel cylinder and to blow out the passages. Check the cylinder bore for corrosion and score marks. Crocus cloth can be used to remove light corrosion and stains, but the cylinder must be replaced with a new one if the defects cannot be removed easily, or if the bore is scored. Lubricate the new cups with brake fluid. Assemble the brake cylinder components. Make sure the cup lips face in. To install, place the wheel cylinder in position and install the bolts. Connect the brake line and install the brake shoe assembly. Bleed the brakes.