What does it mean when the coolant light comes on?

1 Answers
RichardDella
07/30/25 9:37am
Possible causes include insufficient coolant, a faulty cooling fan, or issues with the circulation water pump. Below is relevant information: 1. Insufficient Coolant: Coolant leakage can cause its temperature to rise. In this case, check for any signs of coolant leakage. If found, promptly repair the leaking pipes or other components. If no leakage is detected, replenish with the same brand of coolant. Adding water is not recommended, especially in winter, as it can dilute the coolant even if it doesn't cause immediate malfunctions. 2. Faulty Cooling Fan: When the vehicle operates at high speeds, heat may not be effectively transferred to the antifreeze, impairing cooling. This can lead to increased antifreeze temperature, potentially causing boiling-over issues. If this occurs while driving, first reduce your speed. Then, check whether the fan is malfunctioning and repair it promptly if necessary.
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