Flushing the coolant on a regular basis removes gunk and mineral deposits from your engine, while prolonging the life of your heater core, thermostat, hoses and water pump. If you spill coolant when you flush your Sienna, be sure to put down cat litter to soak it up to discard it. The video above shows you where the petcock on your radiator is located, how to flush the coolant / antifreeze and how to burp the system to get the air out of your Sienna.Ĭoolant is toxic and animals are attracted to the sweet taste of coolant (antifreeze). When you flush your coolant, which is antifreeze, on your 2014, you are draining out all of the old dirty coolant and preventing costly radiator and cooling system repair down the road. Like the oil in your Sienna, coolant gets dirty over time and loses its ability to cool down your 3.5 liter engine. Turn off the engine and drain the water, fill up the radiator with antifreeze until you have a 50/50 coolant / distilled water mixture and burp the system. Fill up the radiator with distilled water and run the engine. This video shows where the radiator drain plug (petcock) is located on a 2014 Toyota Sienna.

Start your coolant flush by draining the coolant / antifreeze that is in your reservoir, then drain the coolant that is in your radiator by opening the petcock or removing the lower radiator hose. Coolant/Antifreeze Extended Life 50/50 Pre-Diluted 1 Gallon. In addition to preventing your car from overheating, coolant / antifreeze also helps lubricate the seals in the water pump and hoses. Coolant / antifreeze also passes through the heater core under your cowl to provide heat to the cabin of your Sienna. Coolant / antifreeze circulates through Sienna radiator and engine to maintain the proper temperature. Always protect yourself with safety glasses and gloves when working with the coolant on your Sienna.Learn how to flush the coolant (antifreeze) in your 2014 Toyota Sienna. An anti-freeze leak can cause the temp sensor to record high engine temperatures in a 2014 Toyota Sienna. If you ignore a small coolant leak long enough, you will run out of coolant, which leads to an overheated engine and other serious, but highly avoidable, problems. Prestone MAX antifreeze + coolant uses Advanced Original Equipment Technology to provide MAXIMUM ENGINE PROTECTION for Asian vehicles requiring Red or Pink. This video shows you where the coolant reservoir, hoses and connections on your 2014 Sienna SE are located and the steps needed to fix minor leaks.Ī few things to note about coolant is that it is sweet tasting and highly toxic, so it can end up in the dog's stomach pretty quickly. Otherwise, your Sienna may have a radiator leak. However, a coolant leak (aka an antifreeze leak) is most likely to occur where the hoses connect to the engine or radiator.

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2001 Toyota Sienna A/C Heater Blower Motor. Coolant / antifreeze can leak from the reservoir, radiator or any hose, in 2014 Sienna with the 3.5 liter engine. 2002 Toyota Sienna A/C Heater Blower Motor.

Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your Sienna engine and keeps it from overheating. Leaking coolant / antifreeze is one of the more common types of leaking fluid from Sienna engines. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2014 Toyota Sienna.

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