Sierra 3500 4WD V8-6.0L VIN U (2004)
1. Lubricate the output speed sensor seal with automatic transmission fluid.
2. Install the output speed sensor (2).
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the output speed sensor bolt.
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Tighten the bolt to 11 Nm (96 inch lbs.).
4. Connect the output speed sensor (2) electrical connector.
5. Lower the vehicle.