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:

Pistons and connecting rods - examination and renovation
1.8 litre (R2A type) 1 Examine the pistons for ovality, scoring, and scratches. Check the connecting rods for wear or damage. 2 The gudgeon pins are an interference fit in the connecting rods, an ...

Routine maintenance and servicing
Ford Sierra maintenance schedule The maintenance intervals in this manual are provided with the assumption that you will be carrying out the work yourself. These are the minimum maintenance interv ...

Engine coolant
Checking engine coolant The concentration and level of engine coolant should be checked at the mileage intervals listed in the scheduled maintenance guide. The coolant concentration should be maint ...