68. Oil Pan Installation

NOTICE: Refer to Fastener Notice in Service Precautions.





1. Install the oil pan studs into the engine block.
^ Tighten the oil pan studs to 6 Nm (53 lb in).





2. Apply a 5 mm (0.197 inch) wide and 25 mm (1.0 inch) long bead of adhesive GM P/N 12346141 or equivalent, to the engine front cover to engine block junction at the oil pan sealing surfaces.





3. Apply a 5 mm (0.197 inch) wide and 25 mm (1.0 inch) long bead of adhesive GM P/N 12346141 or equivalent, to the crankshaft rear oil seal. housing to engine block junction at the oil pan sealing surfaces.





IMPORTANT: Always install a NEW oil pan gasket. The oil pan gasket and oil pan must be installed and the fasteners tightened while the adhesive is still wet to the touch.

4. Install the NEW oil pan gasket.
5. Install the oil pan. 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.
7.1. Tighten the oil pan bolts to 12 Nm (106 lb in).
7.2. Tighten the oil pan nuts to 25 Nm (118 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 the oil pan drain plug to 25 Nm (18 lb ft).