Oil Level Indicator and Tube Removal for GMC Truck TopKick C-Series (Conventional) C4/C5 2003

1. Remove the oil level indicator tube bracket nut from the exhaust manifold stud.
2. Remove the oil level indicator tube bracket from the exhaust manifold stud.
3. Remove the oil level indicator tube from the oil pan.
4. Remove the O-ring seal from the oil level indicator tube.