Oil Pan: Service and Repair

REMOVAL
1. Remove oil level gauge.
2. Raise vehicle and remove both front wheels.





3. Remove steering gear box from vehicle referring to Steering and Suspension; Steering.
4. Remove front differential housing with differential from chassis. Refer to Transmission and Drivetrain; Differential.
5. Drain engine oil by removing drain plug.
6. Remove transmission stiffener if equipped.
7. Remove clutch (torque converter) housing lower plate.





8. Remove oil pan and oil pump strainer from crankcase.

CLEAN





1. Inside of oil pan and oil pump strainer screen.





2. Clean sealing surface on oil pan and crankcase. Remove oil, old sealant, and dust from sealing surface.

INSTALLATION





1. To facilitate and ensure installation of oil pan, increase clearance between engine and vehicle body according to following procedure.
a. Disconnect exhaust pipe from exhaust manifold.
b. Remove engine mounting nuts (Right & Left).
c. Using engine support jack, hoist engine 2 - 3 cm (about 1 inch).

CAUTION: Do not hoist engine more than instructed above. That may cause trouble to engine or transmission.





2. Apply sealant continuously to oil pan mating surface as shown in figure.
"A" Sealant: 99000-31150





3. Install O-rings in the position as shown in figure and install oil pump strainer to oil pump.
Tighten strainer bolts first and then bracket bolt to specified torque.
Tightening Torque
(a): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)
(b): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)
4. After fitting oil pan to cylinder block, run in securing bolts and start tightening at the center: move wrench outward, tightening one bolt at a time.
Tighten bolts and nuts to specified torque.
Tightening Torque (c): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)
5. Lower engine and tighten engine mounting nuts to specified torque.





6. Install gasket and drain plug to oil pan.
Tighten drain plug to specified torque.
Tightening Torque (a): 35 Nm (3.5 kg-m, 25.5 ft. lbs.)
7. Install clutch (torque converter) housing lower plate.
8. Connect exhaust pipe to exhaust manifold referring to Exhaust System.
9. Install transmission stiffener to transmission and cylinder block if equipped.
10. Install front differential housing according to installation procedure. Refer to Transmission and Drivetrain; Differential.
11. Refill front differential housing with gear oil.
12. Install steering gear box to vehicle referring to Steering and Suspension; Steering.
13. Install oil level gauge.
14. Refill engine with engine oil.
15. Refill power steering system with specified fluid referring to Section 3131.
16. Verify that there is no engine oil leakage, differential oil leakage and power steering fluid leakage at each connection.