3116 and 3126 Truck Engines Engine Oil Pan – Remove and Install

Removal Procedure

1.Drain the engine oil into a suitable container for storage or disposal.

Typical example

Note: Do not pry or gouge the sealing surface of the engine oil pan. Use a rubber mallet to tap lightly on the engine oil pan, if it is necessary.

2.Remove the bolts for engine oil pan (1). Remove engine oil pan (1) .

Typical example

3.Remove gasket (2) from engine oil pan (1) .

4.Remove the drain plug and the O-ring seal from engine oil pan (1) .

Installation Procedure

1.Install the drain plug and the O-ring seal on the engine oil pan. Tighten the drain plug to 25 ± 5 N·m (18 ± 4 lb ft).

2.Inspect the condition of the gasket. Replace the gasket, if necessary.
Note: On newer engines, the oil pan has an integral seal. Inspect the condition of the seal and replace the seal, if necessary.

3.Clean the mating surface of the engine oil pan and the cylinder block.

4.Apply Tooling (A) to the T-shaped gasket joints of the oil pan. Refer to Illustration 3.

Typical example

5.Position new gasket (2) and engine oil pan (1) on the cylinder block.

6.Install the bolts for the engine oil pan. Tighten Bolts (X) to a torque of 31 ± 3 N·m (23 ± 2 lb ft).

7.Start at Bolt (Z) and tighten the remaining bolts in a counterclockwise direction. Tighten the remaining bolts to a torque of 31 ± 3 N·m (23 ± 2 lb ft).

8.Start at Bolt (Z) and tighten the bolts again in a counterclockwise direction. Tighten the bolts to a torque of 31 ± 3 N·m (23 ± 2 lb ft).

9.Fill the engine with oil to the correct level. Refer to the Operation and Maintenance Manual for the correct filling procedure.

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