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The low side port is under the passenger side fender toward the front at the accumulator (receiver/dryer). It is accessible, just a bit of a pain in the **** when they could have and should have located it in an area that would be easier to access. Good luck and please ask if more info is needed.
The Low Pressure Side port for AC is near the Throttle Linkage Connector centered in front of the engine. It has a black cap and says LOW. Connect the refill hose to the connector on the Low Pressure Side of the air conditioning system. The Low Pressure Side connector will be smaller than the High Pressure Side connector so the refill hose will fit properly only on the Low Pressure Side. Thanks. Keep updated for
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Hi, determine if your car uses R134 or R12 refrigerant. You will notice screw type connectors on the both the High Pressure Side and Low Pressure Side lines in models using R12 refrigerant. R134 compatible models have quick connect valves on both sides. Models made before 1995 may use the old R12 refrigerant. If this is the case, you must have your Chrysler's air conditioning system retrofitted to use R134 refrigerant. Mixing R12 and R134 refrigerants is dangerous and may cause damage to your vehicle.
Check your air conditioning system pressure using an automotive air conditioning pressure gauge. Keep in mind that in order to get an accurate reading, the air conditioner has be turned on the coldest setting with maximum blowing power.
Remove the Low Pressure Side port valve cap and set it aside. The location of the port varies, but it is usually in front of the engine block. Attach the refill hose to the port on the Low Pressure Side of the air conditioning system. The Low Pressure Side port is smaller the High Pressure Side port. Because the ports are different sizes, the refill kit hose should fit only on the Low Pressure Side port. Additionally, the High Pressure Side port will usually have a red cap or be marked with an H or the word High
Allow the air conditioner to **** the refrigerant out of the can by slowly turning the valve on the refill kit hose. Pay attention to the way you hold the can. Most kits will have you hold the can upright when you recharge the air conditioning system. It may take as long as 10 minutes to empty a single can.
Turn the valve to the off position and remove the refill hose from the port. Recap the port before closing the hood.
Let the air conditioner stay on for at least 30 minutes. This allows the refrigerant to move throughout the entire system.
not sure what you mean by refill cylinder, but there are two ports to charge a a/c system, low side and high side, you fill on the low side, if you are using a can you bought from wal mart or a auto parts store than most come with a small hose that connects from the can to the port, you cannot mess it up, the hose will only connect to the low side port, the high and low side ports are two different sizes, one is located on top of the engine by the suge tank area, the other is located/accessed from under the front right of the car, look for a big hose coming from the a/c compressor and just follow it till you find the port, the big hose is your low side hose.
Basic AC system consists of Compressor pump (on engine), Condenser (front grill with radiator) and Evaporator (Firewall). Pump has two ports output (high pressure) and return (low pressure). Follow lines from pump. High side is usually between pump and condenser. Follow lines and find second port this will be low side (refill) port. Paint or replace port caps (red high, blue low). Also, refrigerant in system determines port size (R12 or R34).