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.

RepairPal Verified
Average mileage: 104,390 (18,000–205,999)
13 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
132 people reported this problem
73 people shared problem details
Heat works only when moving and air conditioning blows whatever temperature is outside
11 people like thisFlag inappropiate
2005 Nissan Altima95,000
A/C not cool. Replaced pressure hose.
6 people like thisFlag inappropiate
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!
5 people like thisFlag inappropiate
Looks like a tiny pin prick hole near the crimped area.
4 people like thisFlag inappropiate
2005 Nissan Altima48,000
Leak detected at front connection using blacklight detection.
3 people like thisFlag inappropiate
2002 Nissan Altima58,000
Both hoses are leaking...
2 people like thisFlag inappropiate
2003 Nissan Altima67,123
Ac problem, hat air
2 people like thisFlag inappropiate
2000 Nissan Altima125,000
Low pressure AC hose leaking. Still waiting for it to be replaced.
2 people like thisFlag inappropiate
2005 Nissan Altima33,000
replaced pressure hose...$400
2 people like thisFlag inappropiate
2005 Nissan Altima105,000
A/C Low pressure line leaking. Estimate cost to fix 350
2 people like thisFlag inappropiate
2006 Nissan Altima73,000
a/c hose gone bad
1 person likes thisFlag inappropiate
2001 Nissan Altima195,000
Started blowing hot air, took it to Firestone $ 9.99 a/c check for diagnosis. Ordered pressure release valve.
2010 Nissan Altima120,000
the ac just stopped blowing cold air
2012 Nissan Altima99,198
Coolant leaking
2007 Nissan Altima48,000
Air blowing warm. Toxic coolant was leaking onto cabin filter. Cost $2282. to repair. Nissan did absorb cost for compresser due to low mileage.
2006 Nissan Altima72,300
A/c hose leaking leaving a/c to blow not so cool air. I am definitely getting rid of this car!! Going back to Toyota!!
2005 Nissan Altima88,000
Mechanic replaced low pressure A/C hose. It was leaking at the crimped fitting
2008 Nissan Altima46,165
AC pressure hose leak - small hole
2006 Nissan Altima113,000
2 holes at top and one at bottom crimp.
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