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:

Mixture adjustment 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 ...

Throttle valve control motor - removal and refitting
Removal 1 Disconnect the battery negative lead. 2 Remove the air cleaner assembly. 3 Disconnect the wiring plugs from the motor and the throttle position sensor. 4 Remove the screws securing the ...

Front disc caliper - removal, overhaul and refitting
Caution: Refer to the precautions in Section 1. Removal 1 Apply the handbrake, loosen the relevant roadwheel nuts, then jack up the front of the vehicle and support on axle stands. (see “Jacking ...