C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
20. Remove the positive battery cable clip bolt.
21. Remove the oil pan bolts.
22. Remove the oil pan.
Important: DO NOT allow foreign material to enter the oil passages of the oil pan, cap or cover the openings as required.
23. Drill (3) out the oil pan gasket retaining rivets (2), if required.
24. Remove the gasket (1) from the pan.
25. Discard the gasket and rivets.
26. if require, clean and inspect the engine oil pan.
Installation Procedure