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the water pump is changed up through the top of the engine compartment and here is the water pump procedure
Remove the drive beltfrom the generator and accessory drive.Use a spanner e.g. Churchill JD-230 or Snap On XDHM 1415, on the center bolt of the belt tensioner idler pulley, to turn the adjuster assembly to the left against spring tension. Whilst holding the tensioner against spring tension, remove the drive belt from the generator pulley. Release the tensioner slowly and remove the spanner. Disconnect the belt from the other pulleys, as necessary, to move it clear of the pump pulley.
Remove the pulley from the water pump.
Remove the water pump from the engine.
Remove and discard the water pump O-ring seal.
here are the pictures of the water pump procedure
as for the power steering pump once the drive belt is off it is a matter of removing the 2 lines into the pump and removing it up through the top just like the water pump