How to Clean a Car's Radiator?

1 Answers
JohnFitz
07/29/25 7:07pm
Car radiator cleaning steps are as follows: 1. First, drain the coolant inside the radiator, prepare a jack, a waste liquid container, and a Phillips screwdriver, then open the engine hood and use the jack to lift one front wheel; ensure the vehicle is safely and stably lifted in drive gear, and the handbrake must be firmly engaged. 2. After draining the waste liquid, screw back the drain plug, but do not apply excessive force when tightening; because drain plugs are mostly made of anti-corrosion plastic material, excessive force may cause the threads to strip. 3. Refill the coolant, with the ratio of water to vinegar controlled between 1:9 or 2:8. 4. Use the coolant to fill from the expansion tank and flush the pipes and radiator slightly. 5. Start the engine.
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