See also:

Coolant renewal (Every 24 000 miles or 2 Years)
Cooling system draining 1 It is preferable to drain the system when the coolant is cold. If it must be drained when hot, release the pressure cap on the thermostat housing (or expansion tank on la ...

Diagram 3: 1980-86 Ancilliary circuits all models
Diagram 3: 1980-86 Ancilliary circuits all models ...

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 ...