Oil Pump Removal and Installation: Removal
- Disconnect negative cable at battery.
- Drain engine oil.
- Drain coolant COOLANT DRAINING .
- Remove oil pan, oil pump strainer and timing chain cover. Refer to OIL PAN AND OIL PUMP STRAINER REMOVAL AND INSTALLATION and TIMING CHAIN COVER & FRONT OIL SEAL for H25 engine or TIMING CHAIN COVER REMOVAL & INSTALLATION for H27 engine .
- Loosen oil pump chain guide bolts. Refer to OIL PUMP COMPONENTS .
- Remove oil pump (1) from crankcase (2).CAUTION: Do not remove oil pump sprocket or bolt. Otherwise, oil pump sprocket and/or oil pump rotor shaft might be damaged.