C Yukon 2WD V8-5.7L VIN R (1999)
Press the oil pan gasket into the grooves of the engine front cover and crankshaft rear oil seal housing.
6. Install the oil pan reinforcements.
7. Install the nuts and the bolts.
Tighten
Tighten the oil pan bolts to 12 Nm (106 lb in).
Tighten the oil pan nuts to 25 Nm (18 lb ft).
8. Install a NEW oil pan drain plug seal, O-ring, onto the oil pan drain plug.
9. Install the oil pan drain plug into the oil pan.
Tighten
Tighten the oil pan drain plug to 25 Nm (18 lb ft).