In the top of the radiator but be sure you've put all the pipes back on
Virtually all automobiles have a drain plus (petcock) on the bottom of the radiator for the purpose of draining coolant. Your car should have that on the inside of the radiator, on the botom, on the driver side of the car.
A faulty thermostat in a 2001 BMW 325CI can cause a coolant leak. The coolant may be leaking out a crack in the thermostat or through a warped edge. In some cases the problem may be just a bad gasket and not actually a problem with the thermostat at all.
The coolant capacity of a 2001 Pontiac Grand Am is 13 quarts. This includes the coolant stored in the engine and the radiator.
There is a low level sensor in the side of the radiator. They do go bad.
On the coolant overflow bottle
The thermostat on a 2001 Cadillac SLS is located in the radiator. To access it, remove the upper hose assembly after draining the radiator halfway.
To change the coolant in an AU Ford Falcon 2001 model, open the radiator drain plug and add warm tap water once all coolant stops coming out. Again drain the radiator and add the coolant.
Add the coolant into the coolant reservoir. Be sure the engine is cool when you remove the cap off the reservoir.
On a 2001 Lincoln Navigator : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 2001 Ford Expedition : The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap
The thread on cap on your engine coolant reservoir is your pressure cap / radiator cap
Where is the radiator cap on a 2001 Volvo s40?