How to Determine Insufficient Car Coolant?

1 Answers
CooperFitz
07/29/25 5:38am
Methods to determine insufficient car coolant are: 1. Start the vehicle, the system will begin self-check; 2. Check the vehicle dashboard, the low fluid indicator light will illuminate. Functions of coolant include: 1. Preventing radiator cracking and engine cylinder block freezing due to coolant solidification during cold weather parking; 2. Preventing metal component corrosion and rubber part aging; 3. Reducing scale formation to avoid clogging circulation pipes and affecting cooling system performance; 4. Preventing overheating to maintain proper engine operating temperature; 5. Lubricating water pumps, thermostats and other components. Coolant, formally called antifreeze coolant, consists of water, antifreeze agents and additives, and can be classified into alcohol-based, glycerin-based and ethylene glycol-based types according to different antifreeze components.
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