See also:

Heater controls - adjustment
1 On heaters with lever control, set both control levers approximately 2.0 mm up from their lowest setting. On heaters with rotary controls set the controls just off the COLD and CLOSED positions. ...

Exhaust emission control system components - removal and refitting
Carburettor engines Spark delay/sustain valve Removal 1 Disconnect the vacuum lines at the valve and remove the valve from the engine. Refitting 2 When refitting a spark delay valve it must be ...

Exhaust manifold nut check - RS Turbo models (Every 6000 miles or 6 months)
Check the tightness of the exhaust manifold securing nuts using a torque wrench. ...