You may notice bubbles or a gurgling sound. As the engine warms up, air pockets may be released into the coolant.Keep an eye on the temperature gauge to ensure it doesn't overheat. Start the engine and let it run until it reaches normal operating temperature.Once the pressure is released, continue turning the cap counterclockwise and remove it completely.This releases any pressure inside the cooling system. Slowly twist the radiator cap counterclockwise until you hear a hissing sound.It is usually positioned on top of the radiator and has a plastic cover. Make sure the engine is cool before you begin.Here are the steps to bleed out the radiator:
#Coolant replacement how to#
Check with your local recycling center or a professional mechanic for guidance on how to dispose of coolant properly.īefore performing any maintenance on your vehicle, it is always recommended to consult your vehicle's owner manual for specific instructions and precautions.īleeding the radiator on a Toyota Yaris 2010 involves removing any trapped air from the cooling system. Dispose of the old coolant responsibly: Coolant is toxic and harmful to the environment, so make sure to dispose of it correctly.Also, check the coolant level in the coolant reservoir and fill it up to the "Max" or "Full" line. Check the coolant level: Once the engine has cooled down, check the coolant level in the radiator and add more if necessary.This will allow the coolant to circulate throughout the system and remove any trapped air bubbles. Bleed the cooling system: Start the engine and let it run for a few minutes until it reaches operating temperature.Insert a funnel into the radiator opening and slowly pour the new coolant into the radiator until it is filled. Refill the coolant: Locate the radiator cap on the top of the radiator and remove it.Once the coolant has drained, replace the drain plug and tighten it securely. Drain the coolant: Allow all the coolant to drain from the radiator by opening the radiator cap to release any vacuum and promote a faster flow.Place the coolant drain pan beneath the plug to catch the coolant. Use a socket wrench to loosen and remove it. Locate the coolant drain plug: The drain plug is usually located on the lower side or bottom of the radiator.Allow the engine to cool: It is important to perform this procedure when the engine is cool to avoid burns and other injuries.Prepare the tools and materials: To perform this task, you will need a new coolant, a coolant drain pan, a funnel, a socket wrench, a new drain plug washer, and a coolant mixture compatible with your vehicle's specifications.To replace the coolant in a Toyota Yaris 2007, follow these steps:
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