Engine Oil Pump - Removal

REMOVAL





1. Disconnect and isolate the negative battery cable.
2. Remove the upper oil pan Engine Oil Pan - Removal
3. Remove the oil pump pick-up (2) Oil Pump Pick-up - Removal.





4. Disconnect the engine wire harness from the oil pump solenoid electrical connector (1).





5. Depress the connector retention lock tab (1) to disengage the oil pump solenoid electrical connector from the engine block.





6. Remove bolts (2) and the timing gear splash shield (1).






NOTE: Graphic shows the engine timing cover removed for clarity.

7. Push the oil pump solenoid electrical connector into the engine block, rotate the connector slightly CW, push it past the primary chain tensioner mounting bolt (1) and into the engine.





8. Push back the oil pump chain tensioner (2) and insert a suitable retaining pin (1) such as a 3 mm Allen wrench.






CAUTION: Always reinstall timing chains so that they maintain the same direction of rotation. Inverting a previously run chain on a previously run sprocket will result in excessive wear to both the chain and sprocket.

9. Mark the direction of rotation on the oil pump chain (3) and sprocket (4) using a paint pen or equivalent to aid in reassembly.

NOTE: There are no timing marks on the oil pump gear or chain. Timing of the oil pump is not required.

10. Remove the oil pump sprocket T45 retaining bolt (2) and remove the oil pump sprocket (4).





11. Remove the retaining pin (3) and disengage the oil pump chain tensioner spring (1) from the dowel pin (2).
12. Remove the oil pump chain tensioner from the oil pump.





13. Remove the four oil pump bolts (1) and remove the oil pump (3).