You should evaluation the coolant aligned in your 1999 Toyota Sienna at least every two weeks. The coolant in your engine keeps the internal components chill and protected from heat damage. Add a 50-50 blend of coolant and soak when you admit to top off the coolant continuous in your Sienna's radiator. Correct preservation of the coolant levels in your motorcar Testament prevent the engine from overheating and possible engine failure.
3. Locate the coolant recovery tank near the rear of the engine compartment on the passenger side of the van. Check the marks on the side of the tank for the level of the coolant. The coolant should be at or just below the "FULL" level.
Stand the hood of the automobile and rest it on the back rod.
2. Produce firm the engine is at a biting temperature. Provided the engine is calescent, you may not get an accurate reading.
