What is included in the engine coolant replacement procedure:
• Draining of the used coolant
• Flushing the cooling system (if necessary)
• Filling with new antifreeze of the appropriate specification
• Removing air from the system
• Leakage check
• Monitoring the engine’s operating temperature
When replacement is required:
• Scheduled time or mileage limit has been reached
• Engine overheating
• Change in the color or smell of the antifreeze
• Formation of sediment or rust
• After cooling system repair
• After purchasing a used vehicle

