Vehicle Speed Sensor: Service and Repair

1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4SECTION Service and Repair
Speed sensor resistance should be 900-2000 ohms. The sensor is not serviceable and should be replaced if defective. The speed sensor is located in the left rear of the transmission.

1. Raise and support vehicle, then disconnect electrical connector from speed sensor.
2. Remove bolt securing speed sensor retainer.
3. Position suitable container under sensor, then remove sensor and O-ring.
4. Coat O-ring with transmission fluid, then install O-ring and speed sensor.
5. With automatic transmission, torque retainer bolt to 10 Nm (8 ft. lbs).
6. With manual transmission, torque retainer bolt to 12 Nm (9 ft. lbs).
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.