See also:

Throttle housing - removal and refitting
Note: During manufacture the throttle plate is adjusted so that it is fractionally open, to avoid the possibility of it jamming shut, and it must not be repositioned. Idle speed adjustment is prov ...

Pressure regulating valve (Saloon and Estate models) - removal and refitting
1 The brake pressure regulating valve is located within the engine compartment, just above the aperture in the wing inner panel through which the steering tie-rod passes. On pre-1986 models the va ...

Ignition timing (OHC models) - adjustment
Note: During production the ignition timing is accurately set using a microwave process, and sealant is applied to the distributor clamp bolt. Because the electronic components require no maintena ...