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.
2004 Toyota Matrix Base, 4WDFACTORY OEM SERVICE PROCEDURE
Skid Control Sensor (Ff): Replacement
HINT: Replace the RH side by the same procedure as the LH side.
- REMOVE REAR WHEEL
- REMOVE REAR BRAKE DRUM SUB-ASSY (DRUM REAR BRAKE TYPE) (See OVERHAUL )
- REMOVE REAR DISC BRAKE CALIPER ASSY LH (DISC REAR BRAKE TYPE) (See OVERHAUL )
- REMOVE REAR DISC (DISC REAR BRAKE TYPE) (See OVERHAUL )
- DISCONNECT SKID CONTROL SENSOR WIRE
- Disconnect the skid control sensor wire connector from the skid control sensor.
- REMOVE REAR AXLE HUB & BEARING ASSY LH (See REPLACEMENT )
- REMOVE SKID CONTROL SENSOR
- Mount the rear axle hub in a soft jaw vise.NOTE: Replace the axle hub assembly if it is dropped or a strong shock is given to it.
- Using a pin punch and hammer, drive out the 2 pins and remove the 2 attachments from SST.
- Using SST and 2 bolts (Diameter: 12 mm, pitch: 1.5 mm), remove the skid control sensor from the rear axle hub.
SST 09520-00031 (09520-00040), 09521-00020, 09950-00020
NOTE:- If a damage is inflicted to the sensor rotor, replace the axle hub assembly.
- Do not scratch the contacting surface of axle hub and speed sensor.
- Mount the rear axle hub in a soft jaw vise.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
