Change water pump on 2001 ford focus tddi 1.8

You have to pull your Timing Belt to get to it. While you are at it replace the Timing Belt, Timing Belt Tensioner and Serpentine Belt.

Disconnect battery neg, drain coolant, slacken pulley bolts,then remove auxillary belt, unbolt pump pulley,
support engine and remove engine mounting and timing belt cover. if poss, support engine from above with hoist or support with trolley jack and wide block of wood under sump. with mounting removed lift engine about 20mm, unscrew coolant pump bolts and remove pump, there is no need to touch timing belt or tensioner