screw it clockwise
most are on the bottom left side of the radiator
On the radiator side of the engine.
The thermostat on a 1999 Dodge Caravan is under the housing where the upper radiator hose attaches to the engine.
Bottom of the radiator.
you have to drain the antifreeze/coolant so it would be wise.
depends on the engine on the 3.3 there is a thick black hose that goes from the radiator to the engine
Next to where the upper radiator hose comes out of the engine.
It is under the housing where the upper radiator hose hooks to the engine.
What is wrong with your radiator?
Why won't the radiator fan start on my 1991 dodge caravan?
Should be at the lower left corner of the radiator.
When the engine is cold you can add to either the radiator or the coolant recovery bottle.