Oil Pan: Service and Repair

OIL PAN AND OIL STRAINER

Image Symbols:

Removal and Installation
REMOVAL

WARNING: To avoid the danger of being scalded, do not drain engine oil when engine shot.

1. Remove front road wheels and tires.
2. Remove hood assembly.
3. Remove engine cover with power tool.
4. Remove front and rear engine under covers with power tool.
5. Drain engine oil.

CAUTION:
^ Perform this step when engine is cold.
^ Do not spill engine oil on drive belts.

6. Drain engine coolant.

CAUTION:
^ Perform this step when engine is cold.
^ Do not spill engine coolant on drive belts.

7. Remove drive belts.
8. Remove auto tensioner of power steering oil pump belt.
9. Remove power steering oil pump with piping connected, and temporarily secure it aside with ropes or equivalent.
10. Remove A/C compressor with piping connected, and temporarily secure it aside with ropes or equivalent. Refer to ATC-139, Components.
11. Remove A/C compressor fitting bolts, and install A/C compressor temporarily on vehicle side with ropes or equivalent.
12. Remove harness of lower side of oil pan.
13. Remove crankshaft position sensor (POS) from transmission.

CAUTION:
^ Handle carefully to avoid dropping and shocks.
^ Do not disassemble it.
^ Do not allow metal powder to adhere to magnetic part at sensor tip.
^ Do not place sensors in a location where they are exposed to magnetism.

14. Install engine slinger and hang engine assembly to secure position.
15. Remove front suspension member with power tool.
16. Remove front final drive assembly.
17. Remove oil filter.
18. Disconnect oil cooler water hoses, and remove oil cooler water pipe and oil cooler.
19. Remove oil pan as the follows:
a. Remove rear plate cover.
b. Remove transmission joint bolts which pierce oil pan.





c. Loosen mounting bolts with power tool in reverse order as shown in the figure.

NOTE: Disregard the numerical order No. 11 and 17 in removal.





d. Insert seal cutter (SST) between oil pan and cylinder block. Slide seal cutter by tapping on the side of seal cutter with hammer. Remove oil pan.

CAUTION:
^ Be careful not to damage the mating surfaces.
^ Do not insert screwdriver, this will damage the mating surface.

e. Remove O-rings from bottom of oil pump and front cover.
20. As necessary, pull axle pipe from oil pan.
^ Hold pipes and pull them out to front drive shaft (left) installing side.
21. Remove oil strainer.

INSPECTION AFTER REMOVAL
Clean oil strainer if any object attached.

INSTALLATION
1. Install oil strainer.





2. Install axle pipe to oil pan, if removed.
^ Lubricate O-ring groove of axle pipe, O-ring, and O-ring joint of oil pan with new engine oil.
^ Right/left O-ring diameters differ from each other. O-ring with identification paint mark is installed on front drive shaft (left) installing side.
^ Install axle pipe to oil pan from (left) side.

CAUTION: Insert it with care to prevent O-ring from sliding.

3. Install oil pan as follows:
a. Use scraper to remove old liquid gasket from mating surfaces.
^ Also remove the old liquid gasket from mating surface of cylinder block.
^ Remove old liquid gasket from the bolt holes and threads.

CAUTION: Do not scratch or damage the mating surfaces when cleaning off old liquid gasket.

b. Install new O-rings to oil pump and front covers in.





c. Apply a continuous bead of liquid gasket with tube presser [SST: WS39930000 (- )] to the cylinder block mating surfaces of oil pan to a limited portion as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent.

CAUTION: Attaching should be done within 5 minutes after coating.

d. Install oil pan.

CAUTION: Install avoiding misalignment of O-rings.





^ Tighten mounting bolts in numerical order as shown in the figure.

NOTE: Tighten mounting bolts No. 1 and 2 in two steps. The numerical order No. 11 and 17 shown second steps.

^ There are three types of mounting bolts. Refer to the following for locating bolts.
M6 x 30 mm (1.18 inch): 18, 19
M8 x 100 mm (3.94 inch): 5, 9
M8 x 45 mm (1.77 inch): Except the above
e. Tighten transmission joint bolts.
f. Install rear plate cover.
4. Install oil pan drain plug with new drain plug washer.
^ Refer to the figure of components for installation direction of drain plug washer.
5. Install in the reverse order of removal after this step.

NOTE: At least 30 minutes after oil pan is installed, pour engine oil.

INSPECTION AFTER INSTALLATION
1. Check engine oil level and add engine oil.
2. Start engine, and check there is no leak of engine oil.
3. Stop engine and wait for 15 minutes.
4. Check engine oil level again.