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.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 931 (ANTI-LOCK BRAKE SYSTEM)WHEEL SPEED SENSOR FRONTINSTALLATION
2004 Toyota Matrix XR, FWD, Standard
Wheel Speed Sensor Front: Installation
2004 Toyota Matrix XR, FWD, StandardSECTION Installation
WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
- Apply bearing grease (supplied with part) to sensor head shaft and O-ring.CAUTION: Ensure that sensor mounting surface on bearing is clean before sensor installation.
- Push sensor head into mounting hole in hub and bearing and align mounting screw hole.
- Install NEW mounting screw (Figure ). Tighten mounting screw to 20 N.m (15 ft. lbs.) torque.
- Place wheel speed sensor cable grommet into routing clip at knuckle and close clip (Figure ).
- Attach wheel speed sensor routing bracket to strut assembly (Figure ). Tighten screw to 13 N.m (115 in. lbs.) torque.
- Clip wheel speed sensor connector and routing clip to frame rail outer reinforcement (Figure ).
- Connect vehicle wiring harness to wheel speed sensor connector (Figure ).
- Install brake rotor as well as all components necessary to access it. (Refer to DISC ).
- Verify that wheel speed sensor cable is properly routed and not coming into contact with rotor or other moving parts.
- Road test vehicle to ensure proper operation of the base brakes and ABS.
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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.