Removal And Installation (Upper Oil Pan M/T Models)

OIL PAN AND OIL STRAINER


Removal and Installation (Upper Oil Pan M/T Models)


REMOVAL

WARNING:
- You should not remove the oil pan until the exhaust system and cooling system have completely cooled off.
- When removing the front and rear engine through bolts and nuts, lift the engine up slightly for safety.
For engine slingers, refer to Service and Repair.

CAUTION:
When removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS).
Be careful not to damage sensor edges or signal plate teeth.
1. Drain the engine coolant. Refer to Service and Repair.
2. Disconnect the battery negative terminal. Refer to Coupe (Coupe models) or Sedan (Sedan models).
3. Remove the oil dipstick.
4. Remove intake manifold collector. Refer to Intake Manifold Collector.
5. Remove engine cooling fan. Refer to Service and Repair.
6. Remove front suspension member. Refer to Removal And Installation.
7. Remove drive belt. Refer to Removal and Installation.
8. Remove coolant pipe bolts.
9. Remove the A/C compressor with piping attached, and position it out of the way securely with wire.

CAUTION:
Do not pull on or crimp the A/C lines and hoses.
10. Disconnect the coolant lines from the engine oil cooler and plug them to prevent coolant loss.
11. Remove the oil filter and engine oil cooler from the upper oil pan.
12. Remove the oil pressure switch, and the crankshaft position sensor (POS) from the upper oil pan.
13. Remove the front drive shaft (RH). Refer to Right Side.
14. Remove the front drive shaft (RH) center bearing bracket.
15. Disconnect the heated oxygen sensors and air flow ratio (A/F) sensors and remove the two catalytic convertors from the exhaust manifolds using power tool. Refer to Service and Repair.





16. Remove the rear plate cover from the upper oil pan.
17. Remove the lower oil pan. Refer to Removal And Installation (Lower Oil Pan).





18. Remove the four upper oil pan to transaxle bolts.





19. Remove the upper oil pan.
a. Loosen the bolts in the order as shown, using power tool.





b. Insert an appropriate size tool into the notch (1) of the upper oil pan as shown.
c. Pry off the upper oil pan by moving the tool up and down (2) as shown.





20. Remove the O-ring seals from the bottom of the cylinder block and oil pump housing, use new O-rings for installation.





21. Remove front cover gasket and rear oil seal retainer gasket.
22. Remove the oil strainer.





23. If re-installing the original oil pan, remove the old sealant from the mating surfaces using a scraper.
- Also remove the old sealant from mating surface of the cylinder block.
- Remove the old sealant from the bolt holes and threads.

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

INSPECTION AFTER REMOVAL
Clean oil strainer if any object is attached.

INSTALLATION

CAUTION:
Wait at least 30 minutes before refilling the engine with oil.
1. Install oil strainer and tighten bolt to specified torque. Refer to Exploded View.





2. Apply Genuine Silicone RTV Sealant or equivalent, to the front cover gasket and the rear oil seal retainer gasket as shown. Refer to Fluid Type Specifications.





3. Install the front cover gasket and rear oil seal retainer gasket as shown.





4. Apply a bead of sealant to the cylinder block mating surface of the upper oil pan to a limited portion as shown.
- Use Genuine Silicone RTV Sealant, or equivalent. Refer to Fluid Type Specifications.
- Be sure the sealant is applied to a limited portion as shown, and the sealant is 4.0 - 5.0 mm (0.157 - 0.197 in) or 4.5 - 5.5 mm (0.177 - 0.217 in) wide.
- Attaching should be done within 5 minutes after coating.





5. Install new O-rings on the cylinder block and oil pump body.





6. Install the upper oil pan.





- Tighten upper oil pan bolts in the order as shown.
- Wait at least 30 minutes before refilling the engine with oil.





7. Install the four upper oil pan to transaxle bolts.
8. Install the lower oil pan. Refer to Removal And Installation (Lower Oil Pan).





9. Install rear plate cover.
10. Installation of the remaining components is in the reverse order of removal.

INSPECTION AFTER INSTALLATION
- Start the engine and check for leaks. Refer to Removal and Replacement.
- Inspect the engine oil level. Refer to Removal and Replacement.