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Re: My 1991 pontiac sunbird is leaking antifreeze. It
Age of vehicle determines that you get a replacement hose and clips first. Drain down the Coolant into a container, replace the hose, and refill, remembering you are going to loose coolant by spillage on the drain down.
Regards, DT
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If you are able to lift the vehicle safely onto jack stands, you may be able to get under. With the coolant topped off, and using a flash light, you may be able to determine where the hose goes. Most likely the hose clamp rusted and broke off.
You can also pressure test the coolant system which will tell you where the coolant is leaking from
This could be from the hose that goes from your engine to your heater. I don't know the layout of the sunbird but if you are sure that it is antifreeze that's what it should be. You'll need to get another hose and replace the bad one. Good luck!
This are a leaking from the litle radiator inside the heater, the could be the tap . for to fix this you must takke down the heater and then you can see if the are the radiator ore the tap som are leaking.
Aside from disconnecting your heater hoses, the only fix is to replace the "heater core". The "heat" function of your climate control system relies on heated engine coolant to work. The small elbow that you describe, is most likely the condensate drain. The "heater core" and the "evaporator core(for the a/c)", are located beneath the dash assembly in an enclosed housing. The "heater core" should be serviceable without removing the complete housing as with some vehicles. I hope this helps
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