Ford Sierra Service Manual

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Spark plugs and HT leads - removal, inspection and refitting
Note: The correct functioning of the spark plugs is vital for the correct running and efficiency of the engine. It is essential that the plugs fitted are appropriate for the engine, and the suitabl ...

Front disc pads - renewal
Warning: Renew both sets of front brake pads at the same time - never renew the pads on only one wheel, as uneven braking may result. Note that the dust created by wear of the pads may contain as ...

Throttle Position Sensor (TPS) - removal and refitting
Removal 1 Disconnect the battery negative lead. 2 Unclip and disconnect the sensor wiring plug. 3 Remove the two securing screws, and withdraw the sensor from the throttle valve shaft (see illus ...