Replace the thermostat housing seal or gasket.
low of coolant,water pump leaking,thermosat,rariator pluged,fan clutch.
possible leaking heater core
The fix is replacing the leaking part.
how do i fix leaking spray pump on a 2 barrel carburetor
The only fix for a leaking heater core is to replace it.
It could be leaking from a number of places. Some could be a simple fix and others not so simple. Need more info as to where it is leaking.
Lick the cheese.
You replace it.
The only fix for a leaking heater core is to replace it.
How to fix this depends on where specifically it is leaking from.
get a new plug!
Replace it!!