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Home›Repair guides›General Motors›Vehicle Speed Sensor (VSS) Procedure

General Motors 8.1 — Vehicle Speed Sensor (VSS) Procedure

Repair & overhaul

For the General Motors 8.1, from the General Motors service manual.

Applies to: General Motors 8.1L engine

Before you start

  • The VSS is an electrical component. Do not soak it in any liquid cleaner or solvent.

Procedure

  1. Disconnect the negative battery cable.
  2. Disconnect the VSS electrical connector.
  3. Remove the vehicle speed sensor.
  4. Install the vehicle speed sensor.
  5. Reconnect the VSS electrical connector.
  6. Reconnect the negative battery cable.

Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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