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 ...

Air cleaner air temperature control - description and testing
Thermostatically-controlled air cleaner 1 On all pre-1986 models and certain models from 1986 onwards, the air cleaner is thermostatically-controlled by a vacuum operated system to provide air at ...

Throttle Position Sensor (TPS) - removal and refitting
Removal 1 Disconnect the battery negative lead. 2 Unclip and disconnect the sensor wiring plug. 3 Remove the two securing screws, and withdraw the sensor from the throttle valve shaft (see illus ...