How to Remove Excess Coolant?
2 Answers
The methods to remove excess coolant are: 1. Directly use a syringe to extract the coolant until the liquid level is below the maximum mark; 2. Open the coolant drain plug under the radiator to release some coolant. The steps to replace coolant are: 1. Open the vehicle's engine hood and locate the coolant reservoir; 2. Open the coolant drain plug under the radiator to drain the old coolant; 3. Add new coolant and tighten the cap. The functions of coolant are: 1. Provide antifreeze protection for the engine against low-temperature environments; 2. Prevent the cooling liquid from freezing and cracking the radiator or damaging the engine cylinder block and cylinder head when parked in cold winter; 3. Provide efficient heat dissipation.
Dealing with overfilled coolant is actually quite simple. I did it myself last time by connecting a plastic hose to the coolant reservoir and using a small manual pump to slowly extract the excess. Make sure the engine is turned off and cooled for an hour to avoid burns. You can also use a large syringe to suck it out, but be careful not to insert the tube too deep to prevent contaminants from falling in. After extraction, check if the fluid level is between the MAX and MIN marks, and add a small amount if needed. Additionally, coolant functions to prevent freezing and corrosion, and overfilling can reduce cooling system efficiency, leading to leaks or engine overheating, so always fill according to the marked lines, not by guesswork. I usually enjoy doing simple maintenance myself—it saves money and hassle. Just remember to wear gloves for hand protection and clean up the surrounding area afterwards.