Pump, Engine Oil: Removal

Disconnect and isolate the negative battery cable.
Remove the oil pump pick-up. Refer to PICK-UP, OIL PUMP, REMOVAL .

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Disconnect the oil pump solenoid wire harness connector (1).

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Remove the oil pump solenoid connector retainer clip (1).

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

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

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

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

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

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Remove the four oil pump bolts (1) and the oil pump.