See also:

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 ...

Starting and charging systems
The engine electrical system includes all charging, starting and ignition system components and the engine oil pressure sensor. ...

Ignition timing check - models with contact breaker distributor (Every 6000 miles or 6 months)
Note: With modern ignition systems the only suitable way to time the ignition accurately is with a stroboscopic timing light. However, for initial setting up purposes (ie after major overhaul, or ...