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:

Rear suspension lower arm (Saloon and Estate models) - removal and refitting
Removal 1 Raise the rear of the car and support it on stands (see “Jacking and Vehicle Support”). 2 On cars equipped with the anti-lock braking system, refer to Chapter 9 and remove the load appo ...

Alternator drivebelt check (Every 6000 miles or 6 months)
1 A conventional vee drivebelt is used to drive both the alternators and water pump pulleys on OHV and HCS engines, and the alternator pulley only on CVH engines, power being transmitted via a pul ...

Distributorless Ignition System (DIS) components - removal and refitting
Electronic modules 1 Refer to Section 6. DIS coil 2 Refer to Section 4. Engine speed sensor Removal 3 Disconnect the battery negative lead. 4 Disconnect the sensor wiring plug (see illustratio ...