See also:

Oil pump - removal and refitting
Note: A suitable puller will be required to remove the crankshaft pulley. A new crankshaft pulley bolt, a new lower timing chain cover gasket, and a new oil pump gasket, must be used on refitting. ...

Deceleratio sensitive valve (all models with conventional braking system) - removal and refitting
Caution: Refer to the precautions in Section 1. Removal 1 The deceleration sensitive valve is located on the left-hand side of the engine compartment (see illustrations). 23.1a Early type decele ...

Fluid leak check (Every 6000 miles or 6 months)
1 Visually inspect the engine joint faces, gaskets and seals for any signs of water or oil leaks. Pay particular attention to the areas around the rocker cover, cylinder head, oil filter and sump ...