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Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2006 Toyota Sienna. Leaking coolant is one of the more common types of fluid leaks on Siennas. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your Sienna's engine and keeps it from overheating. Coolant can leak from the reservoir or from the hoses, in 2006 Siennas with the 3.3 liter engine, coolant leaks are most likely to occur where the hoses connect to the engine. The video above shows you where the coolant reservoir, hoses and connections on your 2006 Sienna LE are located and the steps needed to fix minor leaks.
A 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. 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. In many 2006 Siennas, an anti-freeze leak can cause the temp sensor to record high engine temperatures. Always protect yourself with safety glasses and gloves when working with the coolant on your Sienna.
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2006 Toyota Sienna LE 3.3L V6
Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping2006 Toyota Sienna LE 3.3L V6
Harsh downshifts? Slipping gears? You might be low on transmission fluid2006 Toyota Sienna LE 3.3L V6
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2006 Toyota Sienna LE 3.3L V6
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2006 Toyota Sienna LE 3.3L V6
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2006 Toyota Sienna LE 3.3L V6