Initial start-up after overhaul or major repair

1 Make a final check to ensure that everything has been reconnected to the engine and that no rags or tools have been left in the engine bay.

2 Check that oil and coolant levels are correct.

3 Start the engine. This may take a little longer than usual as fuel is pumped up to the engine.

4 Check that the oil pressure light goes out when the engine starts.

5 Run the engine at a fast tickover and check for leaks of oil, fuel or coolant. Also check power steering and transmission fluid cooler unions, where applicable. Some smoke and odd smells may be experienced as assembly lubricant burns off the exhaust manifold and other components.

6 Bring the engine to normal operating temperature, then check the ignition timing and the idle speed (where applicable) and mixture.

7 If splined type cylinder head bolts have been used, stop the engine after it has been running for 15 minutes, then remove the crankshaft cover and tighten the cylinder head bolts to the fourth stage given in the Specifications, in the correct order.

8 When the engine has completely cooled, re-check the oil and coolant levels, and check, and if necessary adjust, the valve clearances.

9 If new bearings, pistons etc have been fitted, the engine should be run-in at reduced speeds and loads for the first 500 miles (800 km) or so. It is beneficial to change the engine oil and filter after this mileage.

DOHC engine

The 2.0 litre DOHC (Double OverHead Camshaft) engine was introduced in August1989 to replace the 2.0 litre SOHC engine used previously in the Sierra range. The engine is of four-cylinder, in-line type. The crankshaft incorporates five main bearings. Thrustwashers are fitted to the centre main bearing in order to control crankshaft endfloat.

    See also:

    Rear suspension lower arm (Saloon, Hatchback and Estate models) - removal and refitting
    Models with rear drum brakes Removal 1 Chock the front wheels, jack up the rear of the vehicle and support on axle stands placed under the side members. 2 Remove the relevant driveshaft. 3 Remov ...

    Front suspension crossmember - removal and refitting
    Removal 1 Remove the steering gear. 2 Support the engine with a jack and interposed block of wood under the sump. 3 Unscrew and remove the engine mounting nuts from the top of the mountings in th ...

    Ignition system - testing
    Note: Refer to the precautions given in Section 1 before proceeding. Contact breaker ignition system 1 By far the majority of breakdown and running troubles are caused by faults in the ignition s ...