Do not mix the Toyota red/pink coolant with the green coolant. It will be necessary to idle the engine for 10 minutes to get the thermostat to open which will cause the radiator fluid level to drop enough to be able to fit an identical amount of new coolant. A jug of coolant from Toyota is about 20. Then drain the radiator, measure the amount drained and pour back an identical amount of new pink coolant.
To maintain the 2004 and later models, simply buy 2 gallons of Toyota Pink Super Long Life Coolant. It will be necessary to idle the engine for 10 minutes with the heater control in the Hot position to get the thermostat to open which will cause the radiator fluid level to drop enough to be able to fit in an identical amount of new coolant. Then drain the radiator with heater control in the Hot position, measure the amount drained and pour back an identical amount of new coolant that you mixed up. Premix the two which will give you 2 gallons to ready to add coolant. To maintain the 2003 and earlier models, simply buy 1 gallon of Toyota red long life and 1 gallon of distilled water. When replacing the coolant, Toyota Super Long Life Coolant (color is pink, premixed ethylene glycol concentration is approximately 50 and freezing temperature is 35☌ (-31☏)) is recommended. The extremely simple and extremely inexpensive way to maintain a Toyota cooling system is to use the exact same coolant mixture that the factory used:Ģ003 and earlier models came with a 50/50 mix of Toyota Red antifreeze and distilled waterĢ004 and later models came with 100% Toyota Pink antifreeze New Toyota vehicles are filled with Toyota Super Long Life Coolant.