The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library
The heater on the 03 Mazda Tribute is going in and out. What is the problem and how can it be fix?
It is a nonservicable part, just replace it.
it could be your alternator getting weak. My 200 neon did theexact same thing. its not too bad of a fix.
Replace it with a new one.
Heater core.
Is it not hot? Not blowing? Leaking coolant? Need more info to help you.
probably a bad heater control valve if so easy fix
Sometimes, the best way to fix a heater control valve on a 1996 Town Car is to put in a new heater control panel. A used heater control panel can be found in an automobile salvage yard for less than the cost of a new one.
The only fix for a leaking heater core is to replace it.
Usually take the car to the nearest Subaru dealer and have then fix it. They invented it, they should fix it.
it could be your fan motor is going to go
The only fix for a leaking heater core is to replace it.