See also:

Manual gearbox oil level check (Every 12 000 miles (20 000 km) or 12 months)
1 Place the vehicle over a pit, or raise and support it at front and rear. The vehicle must be level for an accurate check. 2 If the gearbox is hot after a run, allow it to cool for a few minutes. ...

Fuel pressure regulator (models up to 1985) - removal and refitting
Caution: Refer to the precautions in Section 1 before proceeding. Removal 1 The fuel pressure regulator is located on the left-hand side of the engine compartment (see illustration). 5.1 Fuel ...

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 ...