Manifolds, exhaust and emission control systems

All models utilise a light alloy inlet manifold which on carburettor models is coolant heated to improve the atomisation of the fuel/air mixture.

The exhaust manifold is of cast iron construction and incorporates a heated air box as part of the air inlet system on carburettor models.

See also:

Front and rear brake pad/shoe check (Every 6000 miles (10 000 km) or 6 months)
1 Firmly apply the handbrake, then jack up the front and rear of the car and support it securely on axle stands (see “Jacking and vehicle support”). 2 For a quick check, the front brake disc pads ...

Diagram 2: 1980-86 Lighting all models
Diagram 2: 1980-86 Lighting all models ...

Ignition system component check (Every 24 000 miles (40 000 km) or 2 years)
1 Before disturbing any part of the ignition system, disconnect the battery negative lead. 2 Identify and clearly mark all HT leads before disconnecting them from the spark plugs. 3 Refer to the a ...