Question about 1990 Dodge Dynasty

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Air conditiner not working - 1990 Dodge Dynasty

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First, check for sufficient pressure of refrigerant in the system.
Determine if you have R12 (screw on connector on low side) or R134a(quick connector on low side).

When you turn the a/c on (and the car is running) does the fan start blowing on the radiator? If not, then the system may have a blown fuse or be low on refrigerant or deactivated in some other manner.

There are R134a retrofit kits where you can add adapters to an older R-12 system, add the proper oil for conversion, and get it to work with the newer refrigerant. Also, many of these kits have an antileak sealant that can prevent refrigerant from leaking out of seals so fast.

On a car that old, I wouldn't be surprised if the refrigerant all leaked out.

Good luck on this repair.

Posted on Oct 15, 2010


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