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Old 09-25-2023, 02:25 PM
i4abuygto's Avatar
i4abuygto i4abuygto is offline
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Default 79 Trans Am AC system restore stock? or aftermarket?

I need help with recommendations to get the AC working in my 79 403 TA.

I am putting my 79 TA interior back together and I want to get the AC system back working. I have the heater box installed with a new heater core, fan, resistor, and relay. I have an existing evaporator coil that has been flushed and holds pressure that I would like to use if possible. Can I use anything of what I have existing?

Attached is the photo of what I have- nothing forward of the dryer as shown in the photo.

I know I need the compressor and condenser and all the plumbing from the condenser back to the firewall.

I have a good wiring harness from the dash controller to the resistor but nothing forward of that to the compressor. The high-power fan feed from the alternator is working and the blower Fan blows well on all speeds. The vacuum gates in the under-dash ducting system have been fixed and work with the dash controller.

I dont have any of the compressor mounting brackets for the 403.

What is the best way to approach this to get the AC working for the least amount of cost?

Would I likely be able to find some used rebuildable components or is an aftermarket system my best option?
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