The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
Where is the Water Pump located and how do you replace it on a 1990 Chevy Corsica?
the fan clutch is built into the water pump,it cant be separated,you have to replace the water pump.
How do you replace a waterpump on a 1990 BMW 325i
To replace the 1990 VW Jetta water pump you need to have a new one. By using the tools in the tool box, carefully open the old water pump and replace it with a new one.
how do I remove the water pump from my 1990 Isuzu truck?
what's the pis of the 1990 v6 isuzu pickup fuel pump
behind the radiator,in the middle of the engine
you have to remove the belts and water pump pulley the water pump is located behind the timing cover.
Remove the water return hose from your 1996 Chevrolet water pump. Remove the water pump belt. Remove the water pump retaining bolts. Reverse the process to install the new water pump.
the pump is behind the fan. first drain the coolent. then you have to take off the belts and the fan. and remove the air intake. once all that's done you can get to the pump. i had the radiator out when i did it but its not necessary. it just makes for more working room