I bet both methods are perfectly fine, and I'll take a grain of salt with any advice from somone selling me two four-quart jugs of premixed at $50 w/ tax or shipping to fill a system with a max capacity of around five quarts. Since no one will drink the anti-freeze and the bacterial/organic content doesn't have to meet drinking requirements, antifreeze manufacturers will use whatever method is cheapest to mass-produce a water base with sufficiently low metal content. Anyone else researched compatible coolants?ĭistilled water from the jug at Walmart may be cleaner than what goes into the "demineralized" water mentioned on the jug of premixed.ĭistillation specifically boils and leaves behind metals, and "demineralized" can imply any number of filters or processes. When the time comes, I'm going to flush the OE pink coolant out and mix my own with distilled water from the Motorcraft concentrate. The Motorcraft coolant should in theory be available at any local Ford parts counter.
Zerex Asian - can only find as pre-mixed 50/50 gallon ( Tech bulletin here).Mazda FL22 - only sold as pre-mixed 55/45 gallon.If you want the same life/wear characteristics as prescribed by OEM, you can also apparently go with:
I found that a Japanese company called "CCI" engineered and apparently contract-produces the correct type of coolant for late-model Toyotas, and it has been adopted by several other manufacturers.
#Toyota super long life coolant specifications manual
The factory service manual calls for a coolant with "nonsilicate, non-amine, non-nitrite, and non-borate engine coolant with long-life hybrid organic acid technology." While most anti-freeze is similar at the basic level, the corrosion inhibitors used can be very different. The dealer route is annoying, as it's expensive and the car's capacity is about five quarts - a gallon jug is only four quarts. My girlfriend's '07 Yaris is piling on the miles, and I was researching alternatives to the OEM "pink" Super Long Life coolant/antifreeze that seems to only be sold pre-mixed in 50/50 concentration.
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