Leave the radiator cap off, cover the grille with cardboard. Start the engine, turn the heater on high. Tach the engine to 2000 RPMs and hold it there. Let it run like that until it gets hot enough for the thermostat to open up. Personally, I just use a vacuum refiller when doing coolant flushes, but they are very expensive.
Locate the plug on the bottom of the radiator to drain it. Put some radiator cleaner in and drain it again.
Remove coolant cap, allow engine to get to operating temperature, turn on heater full blast and patiently wait for air to escape system.
If this is for an S-Series, you don't have to, The system has a deairiation line and does it on its own.
pop the radiater cap off and let the van engine run for 30 minutes. this will burp out any air in the cooling system and your engine will not overheat then. afterwards, fill the radiater back up as needed.
There is a screw right on top of the line about in the center of the engine (maybe a bit to the right as you are looking at it). Loosen it and let the air out, when fluid starts to come out, tighten it back.
You need to burp the radiator and cooling system.
To burp the cooling system of a 2000 Chrysler Concorde, start by ensuring the engine is cool and the radiator cap is removed. Fill the radiator with coolant until it reaches the top, then start the engine and let it reach operating temperature while keeping the heater on maximum. Watch for bubbles in the radiator, indicating trapped air escaping, and add more coolant as needed. Once no more bubbles appear and the coolant level stabilizes, replace the radiator cap securely.
It should have a bleeder screw on top of the thermostat housing.
The cooling system on a 2001 Mitsubishi Eclipse GT can be burped by gently squeezing the upper radiator hose. Keep topping the overflow tank until the air is purged.
burp the water system that may help
You carefully remove the top coolant hose to the heater, not totally off, just enough so air can get out.
you need to burp the cooling system