Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2008 Toyota Prius BaseFACTORY OEM SERVICE PROCEDURE

Skid Control Sensor: Removal

REMOVE REAR WHEEL
REMOVE REAR BRAKE DRUM SUB-ASSEMBLY (See REMOVAL )
SEPARATE SKID CONTROL SENSOR WIRE
REMOVE REAR AXLE HUB AND BEARING ASSEMBLY (See REMOVAL )
REMOVE SKID CONTROL SENSOR
1. Install the 4 hub nuts to the 4 rear axle hub bolts. Placing an aluminum plate below the rear axle hub and bearing, place them into the vise.
  NOTE: Replace the rear axle hub and bearing if it is dropped or receives a strong shock.
2. Using a pin punch (3 mm) or hammer, remove the 2 pins from SST (09520-00031) and separate the attachment (09521-00010).
3. Using SST and 2 bolts (90101-12007), remove the sensor from the rear axle hub and bearing.
  SST 09520-00031 (09520-00040), 09521-00020, 09950-00020
  NOTE:
  - Pull the sensor off straight, being careful not to make contact with the sensor rotor.
  - If the sensor rotor is damaged or deformed, replace the rear axle hub and bearing.
  - Do not scratch the area where the sensor contacts the rear axle hub and bearing.
  - Do not allow foreign matter to attach to the sensor rotor.
    
    Fig 1: Removing Sensor From Rear Axle Hub And Bearing
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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