Operation CHARM: Car repair manuals for everyone.

Oil Pan: Service and Repair

OIL PAN AND OIL STRAINER


OIL PAN - 2.5L (QR25DE):






REMOVAL

WARNING: To avoid the danger of being scalded, never drain the engine oil when the engine is hot.

1. Remove the engine under covers on both sides.
2. Drain engine oil.
3. Remove the front exhaust tube.
4. Set a suitable transmission jack under the transaxle. Lift the engine slightly from above by the engine slingers.







5. Remove the center member.
Remove the front and rear engine mount through bolts and center member bolts.

6. Disconnect the A/C compressor with piping connected from the mounting bracket and suspend with a strong wire.







7. Remove the lower oil pan bolts. Loosen the bolts in the order shown.







8. Insert the Tool (Seal cutter) between lower oil pan and the upper oil pan to separate them. Tap gently on the side to move the Tool around the pan; do not damage the mating surface.
9. Remove the lower oil pan.
10. Remove the oil pickup screen.
11. Remove rear plate cover, and four engine to transaxle bolts.







12. Loosen the upper oil pan bolts in the numerical order shown to remove the upper oil pan.







13. Insert the Tool (Seal cutter) between the upper oil pan and the cylinder block to separate them. Tap gently on the side to move the Tool around the pan; do not damage the mating surface.
14. Remove the upper oil pan.

INSPECTION AFTER REMOVAL
Clean the oil pickup screen to remove any foreign material.


INSTALLATION
1. Installation is in the reverse order of removal. Pay attention to the following.







a. Apply Genuine Silicone RTV Sealant, or equivalent, to the upper oil pan.
Install the two new O-rings in the upper oil pan.







b. Tighten the upper oil pan bolts in the order as shown.
Bolt No.10,11,18 indicate a double tightening in the sequence of bolt No's 1, 2, 3.

NOTE: Refer below for specified bolt sizes:

M6 x 20 mm (0.79 inch): No.19, 20
M8 x 25 mm (0.98 inch): No.1, 3, 4, 9
M8x45 mm (1.77 inch): No.2, 5, 6, 7, 8,17
M8 x100 mm (3.97 inch): No.12, 13,14, 15, 16





c. Apply Genuine Silicone RTV Sealant, or equivalent to the lower oil pan.





d. Tighten the lower oil pan bolts in the numerical order shown.
Wait at least 30 minutes after the oil pans are installed before filling the engine with oil.

INSPECTION AFTER INSTALLATION
Check for any engine oil leaks with the engine at full operating temperature and running at idle.