Oil Pan Cleaning and Inspection for GMC Truck Yukon - 4WD 2006

1. Remove the oil pan gasket (404) from the groove in the oil pan (400).
2. Clean the oil pan in solvent.

Caution: Refer to Safety Glasses Caution in the Preface section.

3. Dry the oil pan with compressed air.
4. Inspect the oil pan for the following conditions:

•	The drain plug hole for damaged threads

•	Gouges or damage to the oil pan sealing surfaces

•	Cracks or damage to the exterior of the oil pan

•	Damage to the oil level indicator tube area

•	Damage to the oil pan gasket