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Heater unit - overhaul
1 With the heater unit removed from the vehicle, remove the two securing screws and withdraw the heater matrix from the casing (see illustrations). 19.1a Remove the securing screws . . . 19.1 ...

Inlet manifold - removal and refitting
Caution: Refer to the precautions in Section 1 before proceeding. Note: A tachometer and an exhaust gas analyser will be required to check the idle mixture on completion. A new gasket must be us ...

General information
The 2.0 litre DOHC (Double OverHead Camshaft) engine was introduced in August 1989 to replace the 2.0 litre SOHC engine used previously in the Sierra range. The engine is of four-cylinder, in-line ...