![]() ![]() Perhaps you could get 90K miles on subsequent flushes but keep the time limit strict or early. ![]() You just need to run the engine and check it regularly after filling up as the system burps itself. Because of the electrolysis issue I would say 5 years is the superceding maximum. Prestone will provide protection for up to 300,000m or 10 years, but we would also advise following the manufacturer’s coolant service interval. Never trusted those 100K warranties for a good reason. The problem here jerky is that they act like once you hit 90K you've expended the "life time" of the car, get a new one. But just like the spark plugs I wish I changed it at 80K to save the catalytic. I just talked with a Toyota worker and he estimated 90K after the first one. You would almost think then I'll change the fluid every 80K miles including the first one but then it's hard to gauge just how much more the electrolysis actually does go up because of a used auto engine. Genuine Toyota Super Long Life Antifreeze/Coolant is a newgeneration ethylene glycol based coolant which is pre-diluted50:50 with de-ionized water for freeze protection to -34☏. Perhaps after the first change electrolysis ability goes up. The first time they invented long lasting fluid the problem that came up is electrolysis. Then they say every 50K or 5 yrs afterwards. That's why I'm posting here.:smile:įunny how the first flush is not required until 100K miles. Is my reasoning incorrect? If so, feel free to correct me. The major advantage in my opinion to TSLLC is that it can go longer-but if in reality, it is no better or worse than Valvoline Zerex AV, then there is no reason to pay extra to buy it. I just want to be sure I am comparing apples to apples here. Toyota pink super long life or equivalent Im getting by nicely with my entire cooling. This implies that other coolants of a similar makeup can go that long, as well-which implies that TSLLC is not necessarily longer lasting, than, say, Valvoline Zerex Asian Vehicle coolant. Prestone Prediluted Antifreeze/Coolant Formulated For Toyota. If another type of ethylene-glycol coolant is used, replacement intervals may be different. The replacement intervals for engine coolant recommended in this booklet are based on replacement with Genuine Toyota Super Long-Life Coolant or similar high-quality non-silicate, non-amine, non-borate ethylene-glycol coolant with long-life hybrid organic acid technology (i.e., a combination of low phosphates and organic acids). Note: Your Toyota is equipped with Genuine Toyota Super Long-Life Coolant. The comment from page 37 of my service manual states the following: The products that advertise going that long typically say you have to flush out the old coolant first. Is this 50,000 mile interval only for a flush, or does this apply to only a drain and fill, of the coolant?Īnd if Toyota is telling us that we can go 50,000 miles on subsequent drain & fills, what do folks here think of that advice? Is that too long? I'm not aware of any other coolant that recommends 5 years on a drain and fill. I see in my owner's manual (2005 Sienna) that I am advised to change the coolant at 50,000 miles (after the first one, at 100K). ![]()
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