had a 95 3.1L V6 Lumina that would lose AF as well. Maybe your intake manifold gasket or head gasket are going bad. If there is unusual stuff on the oil fil cap or dipstick you have a gasket leak.
A small radiator leak can cause antifreeze to leak on your 1998 Chevy Lumina when there are not any spots on the ground. A pinhole in a hose can also cause this.
Dexcool is recommended.
green
Upper intake manifold plenum leak/crack most likely. If its blowing out coolant then you probably have a bad head gasket.
A 50/50 mix of water and antifreeze
There are several things that can cause your Chevy Lumina fan to not work properly. The most common cause is a bad ground wire. Check the ground wire and make sure it is tight and free of corrosion.
Could be low on coolant.
because it is old and has begun to leak
Yes.
Chevy Lumina has not the carborator.
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