78. Oil Pump Installation

1. Align the crankshaft sprocket splines with the oil pump gerotor and install the sprocket in the oil pump.





2. Place the pump and sprocket assembly in position by rotating the crankshaft sprocket until the machined slot (2) is indexed with the drive pin (1) in the crankshaft.





3. Slide the pump and sprocket onto the crankshaft until a positive stop is felt. Ensure that the crankshaft sprocket is aligned with the drive pin in the crankshaft.





4. When properly installed, the crankshaft sprocket will protrude from the oil pump but the face of the sprocket will be located behind the machined step in the crankshaft as shown.
5. Align the pump body with the mounting holes in the cylinder block.

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the oil pump bolts.
Tighten the oil pump bolts to 25 Nm (18 ft. lbs.).