Toyota 46540-20070 Shoe Assembly, Parking Brake, LH

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Remove the brake disc. Inspect the shoe lining material's thickness; if worn down to 1/32-inch or less, replace the shoes. While you can replace the shoes without removing the hub and bearing assembly, space will be limited. Wash the brake parts with brake system cleaner before disassembling. For shoe replacement, follow this order: remove both the front and rear parking brake shoe return springs from their respective anchor pins and unhook them, take off the rear shoe hold-down spring and its pin, remove the shoe strut between the shoes, take out the front shoe hold-down spring and its pin, remove the adjuster and the tension spring, pop off the C-washer from the pivot pin on the rear shoe's back and detach the parking brake lever, apply high-temperature grease to the backing plate's contact surfaces and the front shoe's backside, slide the parking brake lever onto the pivot pin with a new C-washer, flip the shoes, install the adjuster ensuring its ends engage with the shoes, attach the tension spring to the rear shoe's backside, place the shoes in position, install the strut and its spring ensuring the strut's ends engage with the shoes, and finally, install both the front and rear shoe return springs followed by their respective hold-down springs. With the assembly done, install the brake disc and use three wheel lug nuts to secure it. Remove the hole plug from the disc and adjust the parking brake shoe clearance using a tool or screwdriver until shoe-disc contact prevents disc turning. Back off the adjuster by eight notches, then replace the hole plug, ensuring the shoes don't drag on the disc. Install the caliper mounting bracket, followed by the brake caliper, ensuring the bolts are tightened. Install the wheel, tightening the lug nuts. If your vehicle has a parking brake lever, it should travel between five and eight clicks when pulled. To bed the shoes to the drum, drive at 30 mph on a dry, level road. Apply the parking brake slightly, driving 1/4-mile like this, and repeat two or three times, letting the brakes cool in between.

Loosen the wheel lug nuts, raise the rear of the vehicle, and support it securely on jackstands while blocking the front wheels to prevent rolling. Release the parking brake and remove the wheel, ensuring that all four rear brake shoes are replaced simultaneously but working on only one brake assembly at a time to avoid mixing parts. Clean the brake assembly with brake cleaner and allow it to dry, positioning a drain pan underneath to catch fluid and residue, avoiding the use of compressed air for brake dust. Unhook the return spring from the front brake shoe, using locking pliers to stretch the spring and pull it out. Depress the hold-down spring, turn the retainer 90 degrees, and release it; a special hold-down spring removal tool can simplify this task. Remove the front shoe from the backing plate, unhook the anchor spring, and take off the hold-down spring from the rear shoe. Remove the rear shoe and adjuster assembly, pulling the parking brake cable out of the lever with pliers, and remove the adjusting lever spring. Unhook the return spring from the shoe, slide off the adjuster and spring, and pry apart the C-washer to separate the parking brake lever and adjuster lever from the rear shoe. Assemble the new rear shoe with the parking brake lever and adjuster lever, crimping a new C-washer closed with pliers. Lubricate the adjuster screw with high-temperature grease, ensuring it is threaded in further than before for proper drum fit. Install the adjuster assembly on the rear shoe, ensuring proper fit, and hook the spring into the shoe opening. Lubricate the brake shoe contact areas, pull back the parking brake cable spring, and place the cable into the parking brake lever. Position the rear shoe assembly against the backing plate, push the hold-down pin through the shoe, install the cups, and lock the outer cup to the pin by turning it 90 degrees after compressing the spring. Connect the anchor spring to each shoe's bottom, mount the front shoe to the backing plate, and install the hold-down spring and cups. Stretch the return spring into the front shoe's hole with a screwdriver, verify the parking brake lever's return spring is hooked, and ensure the assembly is seated properly against the backing plate. If the brake drum cannot be easily removed, ensure the parking brake is fully released; if it still cannot be pulled off, retract the brake shoes by removing the plug from the backing plate and using a screwdriver to push the lever off the adjuster star wheel while turning the adjuster wheel. Check the drum for cracks, score marks, deep scratches, and hard spots before reinstalling; if any issues are found, take it to an automotive machine shop for resurfacing. Professionals recommend resurfacing drums with each brake job to prevent out-of-round conditions, and if drums cannot be resurfaced without exceeding the maximum allowable diameter, new ones are necessary. At a minimum, if not resurfacing, remove the glaze with emery cloth. Install the brake drum on the axle flange, followed by the wheel and lug nuts, then lower the vehicle and tighten the lug nuts to the specified torque. Make several forward and reverse stops and operate the parking brake to adjust the brakes for satisfactory pedal action, checking the operation of the brakes carefully before driving.

Regular brake system inspections are crucial to identify issues promptly. Brake problems can manifest as vehicle pulling, noises, excessive pedal travel, pulsations, or fluid leaks. Early detection helps prevent costly damage and ensures safe operation.

Perform a brake booster check by starting the engine with the brake fully depressed and observing pedal movement. The pedal travel should remain consistent. Turn off the engine, hold the pedal for 30 seconds, and restart the engine to confirm decreased pedal travel with each subsequent application. Check the parking brake by counting clicks when engaging it with the handle or pedal. Adjust the parking brake if the click count deviates from the specified value. Alternatively, verify parking brake effectiveness on a steep hill in Neutral; if the vehicle rolls, perform parking brake adjustments.

The drum should be checked for cracks, score marks, deep scratches, and hard spots. If any hard spots cannot be removed with fine emery cloth, the drum must be taken to an automotive machine shop to be resurfaced.

Start by removing the brake disc. Inspect the thickness of the shoe lining material. If it's worn down to 1/32-inch or less, replacement is necessary. Before disassembling, ensure the brake parts are cleaned using brake system cleaner.

Drive the vehicle at approximately 30 mph on a dry, level road. If the vehicle has a parking brake lever, push in on the parking brake release button and pull up slightly on the lever with about 20 pounds of force. If it has a pedal-type parking brake system, apply the pedal with about 33 pounds of force. Drive the vehicle with the parking brake applied like this for 1/4-mile, and repeat this procedure two or three times, allowing the brakes to cool between applications.

Follow the accompanying illustrations for the brake shoe replacement procedure, which includes removing various springs and components, applying grease, and ensuring proper engagement of parts. Be sure to stay in order and read the caption under each illustration.