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:

Spark plug renewal (Every 12 000 miles (20 000 km) or 12 months)
1 The correct functioning of the spark plugs is vital for the correct running and efficiency of the engine. It is essential that the plugs fitted are appropriate for the engine. 2 Make sure that t ...

Coil - testing, removal and refitting
Testing All models except 1.6 and 1.8 litre CVH (R6A type) 1 The coil is located on the left-hand side of the engine compartment and is retained by a metal strap (see illustration). It is of high ...

Rear shock absorbers (Van models) - removal, testing and refitting
Removal 1 Raise and support the rear of the vehicle on stands (see “Jacking and Vehicle Support”). Place a jack beneath the rear axle tube and just raise it slightly. 2 Disconnect the shock absor ...