It hooks to the top of the radiator just under the cap. If it does not have a cap it still goes to radiator.
Dsconnect the rubber hose at the bottom.
Actually, this is an overflow hose. The hose shouldn't connect to anything. When the radiator warms up the fluid level in the reservoir tank may rise. If it gets too high, then the coolant will pour out of this overflow hose. If this is happening too often, you may have a blockage in your radiator.
suck out with hose
suck out with hose
disconnect the hose going to the radiator plug the hose coming from the engine side and flush with a garden hose
If I were wanting to remove the coolant without draining the whole system which would do the trick, I would siphone the coolant out with a small hose like cleaning out an aquarium. Put the hose in the coolant reservoir and use a apparadius to start the sucking and eventual withdrawal of the liquid. Ken
If the reservoir has a hose that travels to the top of the radiator, then it is filled with engine coolant. If the hose is not connected to the radiator, then it is most likely a windshield washer bottle.
This is Just a "Breather Tube". The lower end is connected to a tube on the transmission the upper end just hangs down close to the coolant reservoir.
My 2000 Ford Taurus 3 Liter DOHC 6 cylinder engine uses the plastic coolant reservoir cap in place of a conventional pressurized cap on the radiator. So all coolant flush and refill can be done through the coolant reservoir and it's drain hose connection located directly below near the passenger side front tire. Follow the reservoir's bottom hose down to find the drain connection with spring clamp.
for most latest car and SUV model it is located beside the radiator. You can find it easily by following the overflow hose attached in the neck of the radiator. the end of it is the location of the coolant reservoir
It flows in the bottom hose of the radiator and out the top hose.
Begin by removing the bottom radiator hose. Allow the old coolant to drain out. Replace the hose to its original position. Fill the radiator with new coolant.