How Often Should Car Engine Coolant Be Replaced?
1 Answers
Car engine coolant should be replaced every two years or 40,000 kilometers. The steps for replacing coolant are: 1. Open the vehicle's engine hood, and the coolant reservoir can be seen in the upper right corner; 2. Open the coolant drain plug under the radiator to drain the old coolant; 3. Add new coolant, tighten the cap, and the coolant replacement is complete. The function of the engine is: to convert the thermal energy of gasoline or diesel into mechanical energy by burning the expanding gas in a sealed cylinder to push the piston. The system components of the engine are: 1. Valve train; 2. Crankshaft and connecting rod mechanism; 3. Ignition system; 4. Cooling system; 5. Lubrication system; 6. Starting system; 7. Fuel supply system.