Toyota 90310-58003 Seal, Oil

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The first step is to raise the front of the vehicle and remove the driveaxles.

To remove the rear axle shaft assembly, start by releasing the parking brake and raising the rear of the vehicle, securely supporting it on jack stands, and blocking the front wheels. Remove the wheels and tires, followed by the brake caliper and disc. Disconnect the ABS sensor and then disconnect the parking brake cables from the parking brake shoe and backing plate. Remove the parking brake shoes and the four backing plate mounting nuts. Pull the axle shaft out of the rear axle housing along with the backing plate. Remove the O-ring from the rear axle housing and the axle shaft inner oil seal using a seal removal tool or a screwdriver. For further disassembly of the axle shaft assembly, specialized tools and a hydraulic press are required. If the axle shaft, bearing, or outer oil seal needs replacement, it is recommended to take the axle shaft assembly to an automotive machine shop. For installation, drive a new axle shaft inner seal into the end of the axle tube using a seal installer or a socket. Ensure the lip of the seal is coated with clean oil or multi-purpose grease. Install a new axle housing O-ring. Clean the axle shaft thoroughly, removing any burrs or metal splinters, and deburr any surface irregularities to prevent damage to the seal during installation. Lightly coat the axle shaft with clean oil and insert it into the axle housing, taking care not to damage the lip of the new axle shaft seal with the splined inner end of the axle shaft. Finally, reinstall the components in the reverse order of removal, tightening the four backing plate mounting nuts to the specified torque.