Recharge Air Conditioning with Freon in a Nissan Altima
May 05, 2013
Recharge Air Conditioning with Freon in a Nissan Altima - Test the air conditioning system for leaks. If your Altima is R134 compatible, you can use a leak detection kit from your local automotive store. Some of these kits will seal small leaks.Find the Low Pressure Side service port. You will see a black cap on the line coming out of the compressor. Remove this cap. Look at the connector to 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. They R134 compatible systems have a quick connect valve on the Low Pressure Side. Models made in or before 1995 may use the old R12 refrigerant. If this is the case, you must have your Altima's air conditioning system retrofitted to use R134 refrigerant.
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 to be turned on the coldest setting with maximum blowing power.
Attach the refill hose to the connector on the Low Pressure Side of the air conditioning system. Make sure that it is securely attached.
Allow the air conditioner to suck 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.
If all of the air conditioner components are working properly in your Altima, you may need to recharge the system with refrigerant if it is blowing warm air. This is possible if your Altima is R134 compatible. Most models made in 1995 or prior to that use R12 refrigerant, so you would need to retrofit the system before you try to recharge it. - by eHow
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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 to be turned on the coldest setting with maximum blowing power.
Attach the refill hose to the connector on the Low Pressure Side of the air conditioning system. Make sure that it is securely attached.
Allow the air conditioner to suck 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.
If all of the air conditioner components are working properly in your Altima, you may need to recharge the system with refrigerant if it is blowing warm air. This is possible if your Altima is R134 compatible. Most models made in 1995 or prior to that use R12 refrigerant, so you would need to retrofit the system before you try to recharge it. - by eHow
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