Either the hose between the tank and radiator is plugged or unhooked.
Or you have a leak(internal or external) in the cooling system.
Depending on what year, make, model you have you could be in for some
fun. good luck! email@example.com
Consider first that a certain amount of coolant will flow to and from the
overflow tank in a normal motor as it heats up and cools down. However, you
could have either a bad radiator cap that is not holding the proper
pressure, air in the system or a weak hose that is bulging and collapsing.
Change your radiator cap (cheap), check your hoses and replace any that are
in need, and purge any air from your system.
Cheers - Jonathan
lethsv-are you sure you didn't mean 1995 4.3l v-tec-don't believe ther
was a 4.3l v-tec in 85. Anyway-these engines did have some coolant
issues. Are you using coolant or should I say loosing coolant? jp
lethsv-try as mentioned earlier a new cap. Get a quality name such as
Stant. This would be a cheap first step if as you say-anti-freeze is
ending up in the overflow making the radiator low. good luck jp @
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