replace? why not fix it?
Your heater core is leaking, Need to REPLACE HEATER CORE.
replace the heater core
The air is off.
Coming out of the vents around 43 degrees
Whatever it is set to on your heater's control keypad.
55 degrees above zero Fahrenheit
Air conditioning unit has iced up. Don't use it for a while and it should come right
replace the temperature switch it i sthe one on the right of three in the middle of dash I have same problem on my 98 it took me like 6 hours to get to the problem but it worth
There may be something blocking the deflectors from sending air up there.
you should probably run a duster thorgh it and/or check the pipes to it with it running =there might be an air leak
Have the cabin air filter changed.
um...I know why no one has answered this yet, cos no one knows what the heck you are talking about!! Try rephrasing it!!!!!