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, Removal and Replacement.

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.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
1.Drain the engine coolant. Service and Repair.
2.Disconnect the battery negative terminal. Removal And Installation Coupe (Coupe models) or Removal And Installation Sedan (Sedan models).
3.Remove the oil dipstick.
4.Remove intake manifold collector. Intake Manifold Collector.
5.Remove engine cooling fan. Removal and Installation.
6.Remove front suspension member. Removal And Installation.
7.Remove drive belt. Removal and Replacement.
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.
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). Removal And Installation 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. Service and Repair.





16.Remove the rear plate cover from the upper oil pan.
17.Remove the lower oil pan. 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.
EM





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.

CAUTION:
Do not reuse O-rings.





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. Exploded View.





2.Apply Genuine Silicone RTV Sealant or equivalent, to the front cover gasket and the rear oil seal retainer gasket as shown.
Recommended Chemical Products And Sealants.
Tool number: WS39930000 (-)





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

CAUTION:
Do not reuse gaskets.





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. Recommended Chemical Products And Sealants.
- 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.
Tool number: WS39930000 (-)

CAUTION:





The components must be installed within 5 minutes of the liquid gasket application. Then allow 30 minutes for the liquid gasket to set before operating the engine.





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

CAUTION:
Do not reuse O-rings.
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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. Lower Oil Pan.





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

INSPECTION AFTER INSTALLATION

- Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required quantity, fill to the specified level. Recommended Chemical Products And Sealants (United
States and Canada) or Recommended Chemical Products And Sealants (Mexico).
- Use procedure below to check for fuel leakage.
- Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leakage at connection points.
- Start engine. With engine speed increased, check again for fuel leakage at connection points.
- Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal and installation, slack in the guide may generate a pounding noise during and just after engine start. However, this is normal. Noise will stop after hydraulic pressure rises.
- Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gas, or any oils/fluids including engine oil and engine coolant.
- Bleed air from passages in lines and hoses, such as in cooling system.
- After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to specified level, if necessary.
- Summary of the inspection items: