C7 On-highway Engine Caterpillar

Illustration 1	g01227259

Note: The sealing surfaces of the oil pan shall be free of oil, debris, gasket material that is protruding, or any other sealant. The oil pan must be assembled and tightened to the cylinder block within ten minutes of applying sealant.

Apply 4C-9612 Silicone Sealant to a bead of 5 mm (0.2 inch) at four places on the sealing surface of the oil pan. The sealing surfaces are the following areas:

• Connecting joint of the flywheel housing and the rear of the cylinder block

• Connecting joint of the front housing and the front of the cylinder block

(1) Torque for the O-ring plug ... 25 ± 5 N·m (18 ± 4 lb ft)

(2) Torque for the O-ring plug ... 50 ± 7 N·m (37 ± 5 lb ft)

(3) Torque for the drain plug assembly ... 35 ± 5 N·m (26 ± 4 lb ft)