Vehicle Speed Sensor: Service and Repair

2006 Chevrolet TrailBlazer 4WD V8-5.3L VIN MSECTION Service and Repair


Vehicle Speed Sensor (VSS) Replacement

Removal Procedure





1. Remove the harness connector.
2. Remove the bolt (2).
3. Remove the vehicle speed sensor (1).
4. Remove the O-ring seal (3).

Installation Procedure





1. Install the O-ring seal (3) on the vehicle speed sensor (1).
2. Coat the O-ring seal (3) with a thin film of transmission fluid.
3. Install the vehicle speed sensor (1) into the transmission case.

4. Install the bolt (2).
Tighten the bolt to 11 Nm (97 inch lbs.).

Notice: Refer to Fastener Notice in Service Precautions.

5. Connect the wiring harness electrical connector to the vehicle speed sensor.
6. Refill the fluid as required.
RENDER: 1.0x

NO RELATED

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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.