AC Not Cold Due to Pressure Hose Leak on Nissan Altima

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.

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Average mileage: 105,098 (18,000–250,000)
13 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
142 people reported this problem
78 people shared problem details
Heat works only when moving and air conditioning blows whatever temperature is outside
2005 Nissan Altima95,000
A/C not cool. Replaced pressure hose.
2006 Nissan Altima54,260
I had a new engine put in my car in 2010 due to an engine recall and every since my car has not been the same. My air conditioner is blowing hot air I had it serviced but now Nissan is claiming I need to put over $1200 to get new hoses but I refuse to put another penny into this car. I will never purchase another Nissan!
Looks like a tiny pin prick hole near the crimped area.
2005 Nissan Altima33,000
replaced pressure hose...$400
2005 Nissan Altima105,000
A/C Low pressure line leaking. Estimate cost to fix 350
2005 Nissan Altima48,000
Leak detected at front connection using blacklight detection.
2002 Nissan Altima58,000
Both hoses are leaking...
2003 Nissan Altima67,123
Ac problem, hat air
2000 Nissan Altima125,000
Low pressure AC hose leaking. Still waiting for it to be replaced.
Leaks inside passenger glove department
2010 Nissan Altima120,000
the ac just stopped blowing cold air
2006 Nissan Altima73,000
a/c hose gone bad
2005 Nissan Altima90,000
I have had this problem for a few years now and decided to look at it. Long story short, low pressure hose had a pinhole where it was crimped. I just put some self-sealing 3M tape on it and refilled my "refrigerant". It got me through the summer but now it's leaking somewhere else. I'll probably just continue to refill the refrigerant. For the cost, it's going to be better than replacing it with another $200 OEM hose. I'm never selling the car so I might as well just wrap all the leaks with that self-sealing tape. That stuff is magic.
2004 Nissan Altima112,500
A/C blowing outside temp, not cold anymore.
2003 Nissan Altima250,000
I have not solved it, but the car usually blows slightly cool air even when it is set to Max A/C.
2012 Nissan Altima72,000
Warm air conditioning
2001 Nissan Altima195,000
Started blowing hot air, took it to Firestone $ 9.99 a/c check for diagnosis. Ordered pressure release valve.
2012 Nissan Altima99,198
Coolant leaking
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