Problem Reports » Low Pressure AC Hose May Leak at Crimped Connection

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Nissan Altima

 

Report: Low Pressure AC Hose May Leak at Crimped Connection

Nissan Altima Problem
54 Reports
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Model Years Affected: 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Average Mileage: 85,545 mi (80 mi - 155,000 mi)

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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.

  • Visitor, 2005 Nissan Altima, 95,000 mi

    A/C not cool. Replaced pressure hose.

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  • Visitor, 2003 Nissan Altima, 67,123 mi

    Ac problem, hat air

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  • Visitor, 2000 Nissan Altima, 125,000 mi

    Low pressure AC hose leaking. Still waiting for it to be replaced.

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  •  Rookie

    Heat works only when moving and air conditioning blows whatever temperature is outside

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  • Visitor, 2005 Nissan Altima, 33,000 mi

    replaced pressure hose...$400

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  • Visitor, 2005 Nissan Altima, 105,000 mi

    A/C Low pressure line leaking. Estimate cost to fix 350

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  •  Rookie

    Looks like a tiny pin prick hole near the crimped area.

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  • Visitor, 2005 Nissan Altima, 48,000 mi

    Leak detected at front connection using blacklight detection.

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  • Visitor, 2005 Nissan Altima, 155,000 mi

    A/C blows warm air. During the winter, I heard a hissing sound coming from the vents. The Nissan techs said it was the Low Side A/C hose leaking. I looked and there is an old oily substance near the crimp section of the hose.

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  • Visitor, 2000 Nissan Altima, 105,489 mi

    crimp on low pressure hose defective and punctured flexible hose. freon leaks from the home. It is a manufacturing defect. The crimp process punctures the top side of the hose and the connection leaks.

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