What is the method for replacing the thermostat in a Vios?

[Nunes]

The method for replacing the thermostat in a Vios is as follows: 1. Turn off the engine, open the front hood, and disconnect the negative terminal of the battery; 2. Remove the plastic cover outside the timing belt; 3. Dismantle the generator assembly; 4. Remove the water pipe and wait for the coolant to drain completely; 5. Remove the faulty thermostat and install the new one; 6. Reinstall the removed water pipe, generator, and timing plastic cover in their original positions, reconnect the negative terminal of the battery, and add new coolant. Taking the 2021 Vios as an example, it belongs to the compact car category with body dimensions of: length 4435mm, width 1700mm, height 1490mm, a wheelbase of 2550mm, a fuel tank capacity of 42 liters, and a curb weight of 1070kg.