52. Oil Pump Installation

1. Install the oil pump cover to the balance shaft housing.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the oil pump bolts to the balance shaft housing.
^ Tighten the pump to housing long bolts to 12 Nm (2.69 inch lbs.).
^ Tighten the pump to housing short bolts to 10 Nm (2.24 inch lbs.).





3. Install the balance shaft chain guide.

Important: A brass feeler gauge needs to be used to ensure correct measurements are obtained. If a steel gauge is used, the steel gauge will not bend to conform to the guide and will cause incorrect measurements.

4. Use the following procedure to adjust the balance shaft drive chain tension:
4.1. Inserting a 1 mm (0.040 inch) brass feeler gauge between the chain guide and the chain.
4.2. Press the guide against the chain. Use about three pounds of force.
4.3. Tighten the chain fastener bolt.
^ Tighten the bolt to 13 Nm (115 inch lbs.).
5. Install the balance shaft chain cover.
6. Install the balance shaft chain cover nut and bolt.
^ Tighten the nut and bolt to 13 Nm (115 inch lbs.).