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Recharge Air Conditioning with Freon in Pontiac Grand Prix

If all air conditioning components are working properly, but Grand Prix is ​​air conditioner is blowing hot air, you may need recharging. If your Grand Prix was made from 1994, it can be used R134 refill kit store auto parts recharging system. Models made in or before 1994 have to be adapted to accept R134 refrigerant instead of R12.

Inspect air conditioning system in his home Grand Prix for leaks. While you are doing this, locate service port low pressure side. You can find this near firewall on passenger side.

Recharge Air Conditioning with Freon in Pontiac Grand Prix

It is on line coming out of compressor. It has blue or black cap marked LOW on it. Take cap off of Low Pressure Side and put it in safe place.

Look at valve. If it is screw type connector, you must retrofit system before you continue because system is R12 system. R134 compatible system has quick connect valve.

Start ignition and turn on air conditioner. In order to get accurate pressure reading, you need compressor to turn on so it is good idea to put temperature as low as possible and turn it on MAX. Check pressure in air conditioning system using automotive air conditioner pressure gauge.

It should be between 25 and 45 psi. If it is within that range, you need to have it serviced before you add refrigerant. Attach refill kit hose to service port.

Open hose valve according to manufacturer’s directions. This allows system to suction refrigerant out of can. It can take 10 minutes to completely empty single can.

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How to Recharge Air Conditioning with Freon in Pontiac Grand Prix