See also:

Door window - removal and refitting
Front door 1 Remove the door inner trim panel. 2 Where necessary for access, peel back the waterproof plastic sheet from the door. 3 Remove the door mirror. 4 Remove the window channel extension ...

Ford Sierra Service Manual
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Engine oil cooler - removal and refitting
Note: Suitable sealant will be required on refitting - see text. Removal 1 Remove the engine oil filter (Chapter 1). 2 Note the angle at which the coolant hoses are set, then disconnect the hoses ...