Oil pump - removal and refitting

Note: A new gasket must be used on refitting.

Removal
1 The oil pump is externally mounted on the rear facing side of the crankcase.

2 Using a strap wrench or similar, unscrew and remove the oil filter cartridge and discard it.

3 Unscrew the three mounting bolts and withdraw the oil pump from the engine (see illustration).

10.3 Removing the oil pump
10.3 Removing the oil pump

4 Clean away the old gasket.

Refitting
5 If a new pump is being fitted. it should be primed with engine oil before installation. Do this by turning its shaft while filling it with clean engine oil.

6 Locate a new gasket on the pump mounting flange, insert the pump shaft and bolt the pump into position.

7 Grease the rubber sealing ring of a new filter and screw it into position on the pump, using hand pressure only, not the removal tool.

8 Top-up the engine oil to replenish any lost during the operations.

    See also:

    Distributor lubrication - models with contact breaker distributor (Every 6000 miles or 6 months)
    1 Remove the distributor cap and the rotor arm. 2 Apply a couple of drops of light oil to the felt pad in the top of the shaft. 3 Wipe clean the distributor cam, then apply a trace of high meltin ...

    Crankshaft and bearings - examination and renovation
    1.8 litre (R2A type) 1 Examine the bearing surfaces of the crankshaft for scratches or scoring and, using a micrometer, check each journal and crankpin for ovality. Where this is found to be in e ...

    Oil pump - dismantling, inspection and reassembly
    1.8 litre (R2A type) 1 If oil pump wear is suspected, check the cost and availability of new parts and the cost of a new pump. Examine the pump as described in this Section and then decide whethe ...