Car Problem Reports

Honda S2000 AC Expansion Valve May Cause Whistling Sound When AC is Turned On

Honda S2000 Problem
11 Reports
Me Too

Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009

Average Mileage: 97,500 mi (55,000 mi - 140,000 mi)


A problem can occur with a vibrating expansion valve in the AC system which causes a whistling noise from the passengers vent. Replacing the expansion valve with an updated valve from Honda should repair this problem.

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