Note:
Keep all parts clean and free of impurities. Impurities will cause rapid wear and shorten the life of components.
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Note:
If any part of the engine oil pump is worn or damaged, the entire engine oil pump assembly must be
replaced.
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1. Ensure all parts of the engine oil pump are clean and free of wear or damage. For more information, see
System Operation, Testing and Adjustment, "Engine Oil Pump - Inspection". If any part is worn or
damaged, replace the entire engine oil pump assembly.

2. If necessary, lubricate the internal parts of the engine oil pump assembly with clean engine oil. Install the outer rotor (7) into the housing of the engine oil pump (4). Note: Ensure the outer rotor is correctly installed into the housing of the engine oil pump.
3. Install the front cover (6) into the housing of the engine oil pump (4). Note: Ensure the front cover locating pin is correctly positioned on the engine oil pump.
4. Install the bolts (10).
5. Tighten the bolts to a torque of 9 N·m (80 lb in).

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6. Ensure that the two locating pins (8) and (9) are correctly positioned in the housing of the engine oil pump (4).
7. Install the engine oil pump assembly onto the cylinder block. Note: Ensure that the locating pins in the engine oil pump housing are aligned with the holes in the cylinder block.
8. Install bolt (5). Tighten the bolts to a torque of 22 N·m (195 lb in).
9. Use tool (A) to check the backlash between the idler gear and the crankshaft gear. For more information, see the technical specifications, "Gear Assembly (Front)".
10. Position the new (3) (not shown) onto the suction pipe (2).
11. Position the suction pipe (2) onto the engine oil pump (4).
