The a/c is a closed system. Removing the parts to it first requires a discharge done by an a/c machine at a shop. Then replacement of the parts (compressor, lines, condensor, radiator, etc) are needed as you see fit each with its own set of instructions for removal. After that you will need to get the system pressurized again by an a/c shop
R-134a
you might need to refill the freeon
it is located on the passenger side of AC/control panel,radio ect..., near floor.
Left side under the headlight assembly
Thermal relay is bad.
You have a serious short in your wiring somewhere, this isn't something you should try and fix yourself. But until you can get it fixed, carry a fire extinguisher. (I speak from experience, I had a 97 Saturn SC1 that burned to the ground because of a wiring short)
The expansion valve on a 1999 Saturn SC1 is located in the engine compartment, typically found near the evaporator core inside the dashboard. To access it, you may need to remove the dash or certain components to reach the area where the air conditioning system connects to the evaporator. It's important to ensure the AC system is properly discharged before attempting any repairs or replacements.
Most likely, your air conditioning compressor is cooked or its pulley clutch has seized. Hopefully it was the pulley, because the compressor is not cheap.
The AC is a "system", not a single component, and as such, there are parts of the AC system in several areas of the vehicle. The AC compressor is on the engine and receives it's power from the serpentine belt. The AC clutch is on the compressor, enabling the compressor to be disengaged from the serpentine belt when the compressor is not needed. The AC evaporator is a coil that 's inside the heater box, under the dashboard. The AC condenser is in front of the engine radiator. The AC receiver/dryer is under the hood, attached to the firewall. And the AC refrigerant hoses connect everything together.
Only change AC components when they fail. Many AC systems can last for the entire life of the vehicle, but when a part fails, you don't necessarily need to replace anything else.
how can you manually change from heating to ac on a lincoln mark viii 97, because it will not do it automatic. My mechanic does it in spring and fall but it cost too much
Change the coils .