Ignition systems
The ignition system is divided into two circuits, low tension (primary) and high tension (secondary). The low tension circuit consists of the battery, ignition switch, primary coil windings and the contact breaker points and condenser. The high tension circuit consists of the secondary coil windings, the heavy ignition lead from the centre of the distributor cap to the coil, the rotor arm and the spark plug leads and spark plugs.
See also:
Air cleaner inlet air temperature control check (Every 24 000 miles (40 000
km) or 2 years)
SOHC and DOHC carburettor
models
1 A vacuum pump will be required to test the
control components.
2 To check the operation of the air
temperature control, the engine must be cold.
First observe ...
Heater unit - removal and refitting
Removal
1 Disconnect the battery negative lead.
2 If the coolant is still hot, release the
pressure in the system by slowly unscrewing
the expansion tank cap. Place a thick rag over
the cap to pr ...
Ford Sierra Service and Repair Manual
Introduction to the Ford Sierra
The Ford Sierra was first introduced in late 1982 with the option of
seven different engines and four different trim levels. This manual
covers the four cylinder in- ...
