Leave the cap off of the overflow tank. With the heat on highest heat setting (to bleed the heater core) start the engine and add coolant as needed. you may have to repeat the process several times to burp all of the air out.
Air Conditioning Vacuum Pump.
This should not be necessary on this vehicle.
It's not easy
Engine cooling system is not a closed system you can't remove the air.
Engine cooling system is not a closed system you can't remove the air.
Air bound means that there is an "air bubble" in the cooling system that is preventing coolant from circulating in the cooling/heating system. (air can be compressed fluid cannot)
You may have air pockets trap in the cooling system.
Have your cooling system serviced. Drain, flush, and coolant replaced. Install a new thermostat.
COOLING SYSTEM OF WHAT ??????????????????????? Most auto parts stores sell cooling flushing kits. Get one follow the directions and it should take the air out of the system. You must remember that your heater is part of the cooling system as well as the cooling for your transmission.
Need to release air from the radiator,where is the bleeder valve on 1999 VW beetle
Air bound means that there is an "air bubble" in the cooling system that is preventing coolant from circulating in the cooling/heating system. (air can be compressed fluid cannot)
If the cooling system is in good working order the system will bleed the air out itself. If the system has a leak anywhere no matter how small the system will never bleed the air out.