You don't have to but it would be wise to do so since the thermostat sits on the water pump anyway and only costs around $10-15. It ends up saving you another labor charge down the road because the hoses are already disconnected and it's a simple job that way.
You do not need to replace a water pump and thermostat at the same time. These parts do not ruin each other.
No
No. A leaking coolant pump is caused by a worn seal inside the pump. You will have to replace the pump.
Have the heads and head gasket checked possible thermostat in backwards
Water pump location on a 1996 DevillWater pump is located under the thermostat on the drivers side of the engine
check or replace thermostat
Drain the radiator. The thermostat is in a housing connected to the water pump. Remove the housing to replace the thermostat and gasket.
How to install thermostat in a 1994 volkswagen golf?
You'll have to take off the water pump because that is where the thermostat is.
there is no line comming from the water pump on any 90 s accord u replace the whole pump behind the timing belt
tighten hose clamp or replace gasket on thermostat housing The hole in the block next to the thermostat housing is the water pump weep hole. If coolant is coming out of that hole, the water pump has failed.
No You don't Need to change the water pump But you should change it and the thermostat if radiator was full of sludge. if not then no to both.