I believe you add at the engine coolant reservoir , and that the thread on cap is
the " rad " cap
I have a 92 Ford F150 and the cap is on top of the radator, but you can also add water via your overflow since your over flow is up higher, it will still drain into your radiator.
you add coolant to e150 thru the radiator overflow bottle
There is a water reservoir tank that goes to the radiator that you can add the water to.
To add water to the radiator on a new beetle, first remove the lower radiator hose. Then add water to the coolant reservoir.
When a car is hot, keep the car running and add water to the radiator. When a car is cold, you can simply put the water into the radiator.
You can add water to a radiator any time it is low on water.
There is no radiator cap on a 1999 Ford Contour. The cap to the coolant overflow reservior is the only way to add something to the radiator.
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.
Look for a radiator cap and add it there.Look for a radiator cap and add it there.
Check your owners manual. If you don't have one copy & paste this link. http://www.genuineservice.com/genuineservice/en/gloveboxresults
Which do i hook to to charge the freon in a 2004 ford expedition
It is better to add premixed anti-freeze.