Heater not working - Foxbody

[mustvid]

My 93 Cobra heater is not working. I don't think it is the heater core because I don't having a water leaking on the passenger side. Can the heater core be bad and not leak? What else could cause the heater to stop working?

[kingjason]

My Jeep was working just fair when it starting cooling off. Yesterday I pulled the hoses and flushed it out really well with the water hose and it works much better now.

[crapstang]

Get a propane heater and run that, it makes it really toasty...don't open the windows

[Dacotua]

My 93 Cobra heater is not working. I don't think it is the heater core because I don't having a water leaking on the passenger side. Can the heater core be bad and not leak? What else could cause the heater to stop working?

The inlet hose of a fox car to the heater core has a restrictor in it. You could have some corrosion and it sealed it shut.

(You have to have the restrictor or you'll blow up the heater core).