Oil Pan Cleaning and Inspection for GMC Truck TopKick C-Series (Conventional) C6/C7/C8 2007
- Remove the oil pan gasket (404).
- Remove the baffle (437) and bolts (436).
- Clean the oil pan (400) in solvent.
Caution: Refer to Safety Glasses Caution in the Preface section.
- Dry the pan with compressed air.
- Inspect the oil pan for the following conditions:
| • | Drain plug and oil level sensor holes for damaged threads |
| • | Gouges or damage to the oil pan sealing surfaces |
| • | Cracks or damage to the exterior of the pan |