Toyota 04478-08081 Cylinder Kit, Disc Brake, Front

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If an overhaul is indicated, usually due to fluid leakage or sticking brakes, explore all options before beginning the job. New wheel cylinders are available, making this task quite easy, and if the vehicle has high mileage, new wheel cylinders (not rebuilt) are highly recommended. Always replace both wheel cylinders at the same time rather than just one. To begin, raise the rear of the vehicle and support it securely on jackstands, blocking the front wheels to prevent rolling. Remove the brake shoe assembly and clean all dirt and foreign material from around the wheel cylinder. Disconnect the brake line using a flare-nut wrench if available, then unscrew the hydraulic line-to-wheel cylinder threaded fitting and remove the mounting bolts without pulling the brake line away from the wheel cylinder. Next, remove the wheel cylinder mounting bolts, detach the wheel cylinder from the brake backing plate, and place it on a clean workbench, immediately plugging the brake line to prevent fluid loss and contamination. For installation, position the new wheel cylinder and install the bolts finger tight, then connect the brake line to the cylinder, ensuring not to cross thread the fitting, and tighten the wheel cylinder bolts to the specified torque. Tighten the brake line fitting and reinstall the brake shoes and drum. Bleed the brakes, install the wheel and lug nuts, lower the vehicle to the ground, and tighten the lug nuts to the specified torque. Finally, check the operation of the brakes carefully before driving the vehicle.

Place the wheel cylinder in position and install the bolts finger tight.

Place the wheel cylinder in position and install the bolts finger tight.