Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Vehicle Speed Sensor: Service and Repair
Manual Transmission - ZF S6-650
Vehicle Speed Sensor (VSS) Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. If equipped with the 6.6L engine, disconnect the vehicle speed sensor (VSS) electrical connector (4).
3. If equipped with the 8.1L engine, disconnect the VSS electrical connector (5).
4. Remove the VSS bolt, sensor and seal.
Installation Procedure