Cooling System Draining
WARNING:
Do not open the radiator draincock with the system hot and under pressure. Serious burns from coolant can occur.
NOTE:
Drain, flush, and fill the cooling system at the mileage or time intervals specified in the MAINTENANCE SCHEDULE. Refer to MAINTENANCE SCHEDULES, DESCRIPTION . If the solution is dirty, rusty, or contains a considerable amount of sediment; clean and flush with a reliable cooling system cleaner. Care should be taken in disposing of the used engine coolant from your vehicle. Check governmental regulations for disposal of used engine coolant.
- Position a clean collecting container under draincock location.
- Without removing the pressure cap and with system not under pressure, turn draincock counterclockwise to open.
- The coolant reserve bottle should empty first, then remove the pressure cap.
- If coolant reserve bottle does not empty first:
- Check condition of the pressure cap and cap seals.
- Check for kinked or torn overflow hose from filler neck to reserve bottle.
- Allow cooling system to drain completely.