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:

    Rocker gear - dismantling and reassembly
    Dismantling 1 With the rocker assembly removed as described in Section 4, extract the split pin from one end of the rocker shaft (see illustration). 6.1 Rocker shaft assembly components 2 Take ...

    Manual transmission oil level check (Every 12 000 miles or 12 months)
    1 With the car on level ground wipe the area around the filler plug, then unscrew the plug using a socket spanner, or on later versions a suitable Torx or Allen key or socket bit, as applicable. A ...

    Load apportioning valve (P100 models) - adjustment
    Models before mid-April 1989 1 The vehicle must be unladen, at normal kerb weight (a full tank of petrol, but no driver or load). 2 With the vehicle standing on its roadwheels, remove the spring ...