Toyota 42410-52020 Rear Axle Bearing And Hub Assembly, Right

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The rear hub and bearing are a sealed unit, and if the rear bearings are worn, a new hub must be fitted. On models with ABS, the rear wheel sensor is attached to the hub and can be removed and fitted to the new unit, although this task is best handled by a Toyota dealer. The rear hub bearings are non-adjustable. To check for excessive wear, chock the front wheels, jack up the rear of the vehicle, and support it on axle stands while fully releasing the handbrake. Grip the rear wheel at the top and bottom and attempt to rock it; excessive movement or roughness when spinning the wheel indicates worn hub bearings. To remove the hub, loosen the rear wheel nuts, chock the front wheels, jack up the rear, and support it on axle stands before removing the rear wheel. After removing the brake drum, inspect the rear brake components and wheel cylinder for wear and leakage. For models with ABS, disconnect the wiring plug for the rear wheel sensor using a small screwdriver. Loosen the four bolts securing the hub and brake backplate to the trailing arm, support the hub and backplate, and remove the bolts to withdraw the hub through the rear shoe assembly. Temporarily refit the bolts to hang the backplate and cable-tie it to the trailing arm to prevent straining the brake pipe and handbrake cable. Refitting is the reverse of removal, with specific attention to transferring the rear wheel sensor to a new hub by a Toyota dealer if applicable, cleaning corrosion from mating surfaces, applying copper grease for easier future removal, and tightening all fixings to the specified torque before refitting the brake drum.

1. The rear hub bearings are non-adjustable. 2. To check the bearings for excessive wear, chock the front wheels, then jack up the rear of the vehicle and support it on axle stands. Fully release the handbrake. 3. Grip the rear wheel at the top and bottom, and attempt to rock it. If excessive movement is noted, or if there is any roughness or vibration felt when the wheel is spun, it is indicative that the hub bearings are worn.

The hub carrier bearing housing has a flange, allowing the bearing to be pressed in until fully home. Once the bearing is in place, refit the bearing retaining circlip.