GMC Workshop Service and Repair Manuals > Sierra 2500 4WD V8-6.6L DSL Turbo (2007) > Engine, Cooling and Exhaust | Engine | Engine Lubrication | Engine Oil Dip Stick - Dip Stick Tube | Component Information | Service and Repair | Oil Level Indicator and Tube Replacement

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6. Remove the lower oil fill tube bolt (1).

7. Remove the oil fill tube.
8. Remove and discard the oil fill tube O-ring seal.

Installation Procedure

GMC Workshop Service and Repair Manuals