[454Chevy]

to do this you will have to drane the radiator and take the fan shroud off (about 4 bolts) the fan (4 bolts) the pulley will come off with the fan. loosen the alternator ( 1 bolt on top of braket) you will have to take off the lower alternator braket off (2 bolts bolted on the water pump ) you take off the lower water hose now you unbolt the water pump ( 4 bolts ) before you put on the new water pump you will have to clean the surfes of the engine block where the old gaskets where so you wont have any water leaks