Oil Pan: Service and Repair

REMOVAL





1. Disconnect negative battery cable.
2. Drain the cooling system.
3. Remove the radiator fan.
4. Remove the intake manifold.
5. Install Tool 8534 Do not raise engine at this time.
6. Raise vehicle on hoist.
7. Disconnect exhaust pipe at exhaust manifolds.
8. Remove the structural cover using sequence shown.





9. Drain engine oil and remove oil filter.
10. Position suitable jack under engine.
11. Remove both left and right side engine mount through bolts (1) and (3).
12. Raise engine to provide clearance to remove oil pan.
13. Place blocks of wood between engine brackets and lower mounts to provide stability to engine.

NOTE: Do not pry on oil pan or oil pan gasket. Gasket is mounted to engine and does not come out with oil pan.





14. Remove the oil pan mounting bolts and oil pan.
15. Unbolt oil pump pickup tube and remove tube and oil pan gasket from engine.

CLEANING
1. Clean oil pan in solvent and wipe dry with a clean cloth.
2. Clean the oil pan gasket surface. DO NOT use a grinder wheel or other abrasive tool to clean sealing surface.
3. Clean oil screen and tube thoroughly in clean solvent.

INSPECTION
1. Inspect oil drain plug and plug hole for stripped or damaged threads. Repair as necessary.
2. Inspect the oil pan mounting flange for bends or distortion. Straighten flange, if necessary.

INSTALLATION





1. Clean the oil pan gasket mating surface of the bedplate and oil pan.
2. Inspect integrated oil pan gasket, and replace as necessary.
3. Position the integrated oil pan gasket/windage tray assembly.
4. Install the oil pickup tube
5. If removed, install stud at position No. 9.
6. Install the mounting bolt and nuts. Tighten nuts to 28 Nm (20 ft. lbs.).
7. Position the oil pan and install the mounting bolts. Tighten the mounting bolts to 15 Nm (11 ft. lbs.) in the sequence shown.
8. Install structural dust cover, if equipped.
9. Lower the engine into mounts using Special Tool 8534.
10. Install both the left and right side engine mount through bolts. Tighten the nuts to 68 Nm (50 ft. lbs.).
11. Remove Special Tool 8534.
12. Install the intake manifold.
13. Fill engine oil.
14. Reconnect the negative battery cable.
15. Start engine and check for leaks.