Why does the water temperature rise when idling with the AC on, but returns to normal when driving?

[McAddyson]

Because the ambient temperature is relatively high, coupled with the heat generated by the engine and other machinery, the water temperature rises when idling with the AC on but returns to normal when driving. Below are solutions for high water temperature when idling with the AC on: 1. Cleaning: Visit a professional repair shop or 4S store to clean the condenser, radiator, and inspect the fan and other cooling components. 2. Rinsing: When washing the car, you can appropriately rinse with a hose, spraying through the gaps of the car emblem where the condenser is located. Over time, it can accumulate dirt, dust, leaves, and other debris. 3. AC usage: Turn on the internal circulation when using the AC to save costs, maintain a lower temperature inside the car, and avoid waste. 4. Cooling method: Use an intermittent cooling approach—once the car interior temperature drops, you can turn off the AC and turn it back on after some time.