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Flushing Coolant must be 50% water and 50% coolant.
Important: Do not use a chemical flush.Store used coolant in a properly labeled container. Do not pour used coolant down a drain. Ethylene glycol antifreeze is a very toxic chemical. Do not dispose of coolant into the sewer system or ground water. This is illegal and ecologically unsound. Various methods and equipment can be used to flush the cooling system. If special equipment is used, such as a back flusher, follow the manufacturer's instruction.When the cooling system becomes contaminated, the cooling system should be flushed thoroughly to remove the contaminants before the engine is seriously damaged.
Other option is as follows.
1. Remove thermostat.
2. Remove lower radiator hose (one clamp is enough)
3. Flush engine with a water hose.
4 flush radiator with hose.
5 Remove and clean overflow.
Reinstall thermostat, lower hose and refill coolant. Check for leaks.
The drain plug is on the driver's side of the radiator. It is on the bottom and on the engine side.
The lower radiator hose is positioned as indicated in the following image.
The previous post has full directions. These images and directions are specifically for your year, make and model. If you have further questions, please feel free to ask.