NHTSA owner complaints about this part run furthest above the usual seasonal share in June: about 106% more of them name an incident that month than complaints about any part would predict. A complaint is a report, not a measured failure.
What it shows: June is the largest at 19% (all: 9%), followed by January at 4% (all: 9%); the smallest shown is November at 2% (all: 7%).
Data and chart by CalcScrape: Air Conditioning Refrigerant Recover