More than likely it is low on refrigerant and the compressor is kicking off on the low pressure switch. After it is off for a few seconds the low pressure switch resets and starts up again, runs a few seconds and off again. Continuous cycle of off and on.
You will need a Freon recharge kit. Connect the hoses of the recharge kit to the ports on top of the air conditioner compressor. Release the Freon into the compressor.
compressor is two stage and the 1st stage has gone out and the compressor needs to be replaced.
The air conditioner compressor has two fittings. You can add refrigerant to the low port fitting. The air conditioner compressor can be found on the right hand side of the engine near the front.
The AC compressor on a Saturn (S-Series) is pretty much the highest device that is driven by the serpentine belt. It's on the passenger side, near the front of the engine compartment. There are two large pressure hoses that are attached to it.
The air conditioner on a 2004 Saturn Vue is recharged by locating the low pressure valve and connecting the refrigerant supply. It is then injected into the system until the desired pressure is reached.
On the line right at the compressor.
the low side pressure port is located just off the back of the compressor, the highside is located in the line on the side of the compressor body
The seal on the shaft coming out the front of the air conditioner compressor.
The 2001 Saturn L200 low pressure port can be found on the air conditioning compressor. The low pressure port will be closest to the front of the engine compartment.
Low pressure line from the compressor (Larger hose)
The low side service port can be found on top of the air conditioner compressor. The low side service port will have a blue top.
The high side will not hook up to the hose