OIL PUMP ASSEMBLY

id051300260500

Components

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1 | Pump housing
2 | O-ring
3 | Outer oil pump gear
4 | Inner oil pump gear
5 | Oil pump shaft
6 | O-ring
7 | Seal ring
8 | Bearing race
9 | Thrust needle bearing
10 | Oil seal

Assembly Procedure

1. Apply ATF to the inner oil pump gear, outer oil pump gear and sliding surface of the pump housing.

2. Install the inner oil pump gear and outer oil pump gear to the pump housing as shown in the figure.

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3. Apply ATF to the new O-ring.

4. Install the O-ring to the pump housing.

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5. Align the oil pump shaft with the mark on the pump housing, and install it.

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6. Align the oil pump shaft with bolt hole on the pump housing, and temporarily tighten.

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7. Tighten the bolts.

  Tightening torque

  9.8—11.8 N·m {100.0—120.3 kgf·cm, 86.8—104.4 in·lbf}

8. Apply ATF to the sliding surface of the new seal ring and oil pump.

  Caution
  • Do not expand the seal ring too much.
  • Be careful not to shorten the seal rings too much, when installing the seal rings.

9. Compress the seal rings as shown in the figure, then install the seal rings to the oil pump shaft.

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  Note
  • Verify that oil seal rings rotate smoothly after installing them.

10. Apply ATF to the new O-rings.

11. Install the O-rings to the oil pump component.

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12. Turn the drive gear with flathead screwdrivers and verify it rotates smoothly.

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13. Using a hammer, install the new oil seal to the pump housing.

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  Caution
  • Do not damage the oil seal.

14. Apply grease to the oil seal lip.