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:

Engine idle speed check (Every 6000 miles (10 000 km) or 6 months)
Caution: Refer to the precautions in Section 1, Chapter 4, Part A or B (as applicable), before proceeding. Before carrying out any carburettor adjustments, ensure that the ignition timing and sp ...

Thermo-time switch - removal and refitting
Removal 1 Disconnect the battery negative lead. 2 Drain the cooling system as described in Chapter 1. 3 Raise the front of the car and support it on axle stands (see “Jacking and Vehicle Support ...

Fuel evaporative emission control system components (Central Fuel Injection/CFI engines) - removal and refitting
Carbon canister Removal 1 The carbon canister is located behind the bumper, under the front right-hand wheelarch (see illustration). 5.1 Carbon canister location (wheelarch liner removed) - CFI ...