NO, DO NOT DRIVE YOUR RX-8 AROUND WITH JUST WATER!!!, demineralized water will work for a flush but your RX-8 requires a special antifreeze mixed 50/50 with demineralized water..READ YOUR MANUAL!!
Of course! The radiator is designed to hold a mix of water and coolant, but at a pinch just water will do. It's not a good idea to do this for too long though as it can cause corrosion in the radiator and engine.
You can put ice in your radiator. Keep in mind that the ice is just water and you should have SAE certified anti-freeze in your radiator
you have to put the radiator fluid in the overflow. This is the only way.
You don't put water in your radiator, you put antifreeze.
No. Let it cool down before you open the radiator cap and then put water in the radiator
Yes you can put coolant right into the radiator. Just make sure it is a 50/50 mix of the correct anti-freeze and distilled water.
You might just need to replace the radiator hose or your radiator is cracked.
if you are flushing the radiator instead of topping it up. you need to buy a gallon of it and dilute it with clean water. read the instruction and follow.
Water
In the radiator. 50/50 mix water & anti-freeze. (Note: anti-freeze is a strange name, because that stuff also helps keep your motor from overheating.)
Never put just straight water in your motor. You want to top off your radiator first then top off your coolant in the reservoir. Water will rust your motor from the inside out.
When a car is hot, keep the car running and add water to the radiator. When a car is cold, you can simply put the water into the radiator.