How to Tell If the Car Coolant Is Insufficient?
2 Answers
Methods to determine if the car coolant is insufficient: Check the MIN and MAX marks on the car radiator. The coolant level should be maintained between the MAX and MIN marks, which is the normal position. The coolant should be neither too much nor too little. If it is below the MIN mark, it indicates insufficient coolant, and it needs to be added promptly. The full name of the coolant should be antifreeze coolant, meaning it has antifreeze properties. Antifreeze prevents the coolant from freezing and expanding in cold seasons, which could crack the radiator or damage the engine cylinder block. Antifreeze is not only used in winter but should be used throughout the year. In regular car maintenance, the engine antifreeze should be replaced every year.
As a seasoned driver with over a decade of experience, I usually judge by simple observation. After parking and letting the engine cool down a bit, pop open the hood and locate the coolant reservoir—typically a small transparent or semi-transparent container marked with min and max level lines. If the fluid level is below the min line, it's definitely insufficient. When checking, the liquid should be brightly colored, normally pink or green; if it appears cloudy or too low, it needs immediate topping up. While driving, if the dashboard temperature warning light comes on, the coolant temperature gauge spikes, or you detect a syrup-like smell during acceleration, these also indicate low coolant levels. Neglecting this can easily lead to engine overheating and damage. I recommend checking the reservoir level monthly to ensure safety.
