RAM 2500 Van V8-5.9L VIN Z LDC (2000)
(11) Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic belt tensioner. Relax the tension from the belt
by rotating the tensioner clockwise (as viewed from front). When all belt tension has been relaxed, remove accessory drive belt.
(12) Remove the four water pump pulley-to-water pump hub bolts and remove pulley from engine.
(13) Remove the lower radiator hose at water pump.
(14) Loosen heater hose coolant return tube mounting bolt and remove tube from water pump. Discard the old tube O-ring.