The AC system may blow warm air due to refrigerant loss caused by a leaking low pressure AC hose. These hoses commonly develop a leak at the hose crimp connection.
2011 Nissan Maxima Problem Reports
Most Reported 2011 Nissan Maxima Problem Reports
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My 2011 Nissan Mixama is making a knocking noise while idling. I have taken it to 2 different dealer and they say it is normal. My wife has a 2011 Maxima and it dosen't make the noise hers have close to 6000 miles on it