Step-by-step guide on refilling / recharging ac air conditioner on Nissan Murano SUV. ( 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | S | SL | SV | LE | AWD | 3.5L ).

This video was recorded on 2010 Nissan Murano, but it should apply to newer models as well. Only difference will be the location of the a/c low pressure charging port.

It is always recommended to take the vehicle to a professional mechanical shop to refill the a/c system. If you are on the budget and looking to save a bit of cash, then you can do it by yourself.

To recharge A/C by yourself you will need an a/c recharge kit which comes with a/c recharge hose and usually two a/c refrigerant cans. You will attach a/c refrigerant can on one side of the hose and you will connect other side of the a/c hose to the low pressure charging port. Then pierce the a/c can by turning the know all the way in. Now start the vehicle, turn on the A/C and set the fan speed to highest setting.
Proceed outside and slowly start releasing the know on the can, this will charge the air conditioner. Make sure to keep monitoring the amount of ac refrigerant in the system. If you overcharge it you might damage the a/c compressor. Once you are happy with the results turn off the vehicle and disconnect the hose from the low pressure charging port.

This a/c refill process will work in case there is no leaks in the a/c lines and a/c compressor is working.
In case of a smaller leak you can try using a/c stop leak instead of regular a/c refrigerant. Sometimes it works in sealing small gaps and leaks.
If there is a bigger leak you will have to take the vehicle to a mechanical shop for proper diagnostics.

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