What is the usual method for cleaning a car radiator?
2 Answers
The usual method for cleaning a car radiator is: 1. Park the vehicle and turn off the engine. After the coolant temperature drops, open the expansion tank and add radiator cleaner; 2. Start the engine and let it idle for 5 to 10 minutes after the cooling fan operates; 3. Turn off the engine and remove the front bumper; 4. After the coolant temperature has completely cooled, drain the radiator cleaner along with the coolant; 5. Replace with new engine coolant. The radiator is a key component in the car's cooling system, and its functions are: 1. To absorb heat from the engine block and prevent the engine from overheating; 2. To use water as a heat transfer medium through the coolant circuit, dissipating heat through convection via large-area cooling fins to maintain the engine's optimal operating temperature.
Car radiator cleaning doesn't usually require major actions, mainly focusing on regular coolant checks to prevent dirt buildup. As an experienced driver, I recommend a thorough cleaning every two years or so: Pick a sunny day, drain the old coolant when the engine is cold, add a radiator-specific cleaner mixed with water, then start the car and let it idle for 10 minutes to circulate the cleaning solution. Afterwards, drain the dirty water and rinse with clean water once or twice to ensure no residue remains, finally refilling with new coolant. Regularly check for rust or sediment near the radiator cap - these signs indicate it's time for cleaning. Neglecting cleaning can lead to clogged pipes, causing engine overheating and breakdowns, which are troublesome on the road. Combining this with seasonal maintenance is most convenient, and it also improves cooling efficiency while extending component lifespan.
