Oil Pump

Repair Procedures

Removal

1. 1

   Drain the engine oil.

   (See Lubrication System - Engine Oil)

2. 2

   Remove the timing chain.

   (Refer to Timing System - Timing Chain)

3. 3

   Remove the oil pump (A) with the outer rotor from the cylinder block.

   

Inspection

1. 1

   Inspect the rotor side clearance.

   1. Using a vernier caliper, measure the outer rotor diameter.

      Standard diameter: 46.781–46.820 mm (1.8417–1.8433 in.)

      

   2. Using a micrometer, measure the oil pump housing bore diameter in the cylinder block.

      Standard diameter: 47.000–47.039 mm (1.8504–1.8519 in.)

      

   3. Calculate the clearance between the outer rotor and the cylinder block bore.

      Standard clearance: 0.180–0.258 mm (0.0071–0.0102 in.)

2. 2

   Inspect the rotor tip clearance.

   1. Using a vernier caliper, measure the outer rotor width.

      Standard width: 17.46–17.48 mm (0.6874–0.6882 in.)

      

   2. Using a micrometer, measure the oil pump housing bore diameter in the cylinder block.

      Standard width: 17.55–17.57 mm (0.6909–0.6917 in.)

   3. Calculate the clearance between the outer rotor and the cylinder block bore.

      Standard clearance: 0.040–0.090 mm (0.0016–0.0035 in.)

Installation

1. 1

   Install the oil pump (A) with the outer rotor.

   Tightening Torque: 9.8–11.8 N·m

   

2. 2

   Install the remaining parts in the reverse order of removal.