What Causes High Water Temperature When the Air Conditioner is On in Wuling Sunshine?

1 Answers
DaisyMarie
07/30/25 12:06am
Here are the specific reasons for high water temperature when the air conditioner is on in Wuling Sunshine: 1. Insufficient Coolant: Coolant leakage or low coolant level can cause the engine water temperature to rise. In this case, check the coolant level and top it up if necessary. Recheck after a few days to see if the level drops significantly, and locate any leaks if present. 2. Cooling Fan Malfunction: When the vehicle is running at high speed, the generated heat cannot be effectively transferred to the coolant, affecting heat dissipation and leading to increased coolant temperature, which may cause boiling. 3. Water Pump Failure: Common water pump issues include seized bearings and damaged impellers. Seized bearings are rare, while damaged impellers, such as cracks or detachment from the pump shaft, can slow down coolant circulation, often resulting in engine overheating. 4. Thermostat Failure: The thermostat automatically adjusts the flow of coolant into the radiator based on temperature, altering the coolant's circulation range to regulate the cooling system's efficiency and ensure the engine operates within the optimal temperature range. A faulty thermostat may prevent the cooling system from entering a full circulation mode, leading to increased water temperature.
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