The most likely reason your car's AC compressor is running but not cooling in the UAE's extreme heat is a significant loss of refrigerant due to a leak, a severely blocked condenser from desert dust, or a failed expansion valve. In the GCC's 45°C+ summer temperatures, the AC system is under constant strain. RTA Dubai's vehicle inspection data frequently flags insufficient cooling as a common reason for failure, especially in high-mileage vehicles used for daily commutes on routes like Sheikh Zayed Road. MOI UAE also emphasizes regular AC maintenance in its seasonal vehicle safety advisories. A 2023 survey of workshops in Dubai showed that for popular models like the Toyota Camry or Nissan Sunny, over 60% of "weak cooling" complaints were traced to refrigerant leaks from dried-out rubber seals, a process accelerated by intense heat. A blocked condenser, clogged with fine sand and debris from dusty roads, is the second most common culprit, drastically reducing heat exchange. While a full system diagnosis is needed, the cost to rectify can vary. A simple regas might cost around 250-400 AED, but replacing a condenser on a common SUV like a Hyundai Tucson can exceed 1,500 AED including parts and labor. Proactive maintenance, such as a pre-summer check, is more cost-effective than a major repair during peak season.
