N14 Base Engine Troubleshooting and Repair Manual – 007-040   Lubricating Oil Transfer Tube

Remove the two capscrews from the flange at the oil pan and also the two capscrews from the flange at the lubricating oil pump.

Remove the lubricating oil transfer tube.

Remove and discard the o-ring from the oil pan flange tube and the rectangular sealing ring from the lubricating oil pump mounting flange.

Clean the lubricating oil transfer tube and the mounting flanges with solvent.

Dry with compressed air.

Visually inspect the tube and the flanges for cracks, corrosion, or other damage.

Install a new rectangular sealing ring into the lubricating oil pump mounting flange.

Use clean vegetable oil to lubricate the seal.

Install a new o-ring onto the oil pan lubricating oil suction tube.

Use clean vegetable oil to lubricate the o-ring.

Loosely install the lubricating oil transfer tube assembly with the lubricating oil pump mounting flange, new sealing ring, new gasket, and the mounting capscrews to the oil pan and lubricating oil pump.

NOTE: The printed side of the mounting flange gasket on the oil transfer tube

must
be toward the flange.

Tighten the capscrews in the following sequence:

• First, tighten the two capscrews (1) at the oil pan.
• Second, tighten the capscrews (2) at the lubricating oil pump.

Fill the engine with clean 15W-40 oil. Refer to Procedure

007-025-028.

Operate the engine until the water temperature reaches 82°C [180°F], and check for oil leaks.