Wheel Speed Sensor: Notes

1991 Geo Tracker LSi, AutomaticSECTION Notes

Remove wheel speed sensor from differential. Using an ohmmeter, check resistance across sensor terminals and between terminals and sensor body. Resistance between terminals at 77°F (25°C) should be 1282-1568 ohms. Resistance between sensor terminals and sensor body should be greater than 100,000 ohms. Ensure tip of sensor is free of metal particles.

RENDER: 1.0x

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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.