I know Toyota's and Honda's can be sensitive to the coolant added as far as corrosion goes. I've also heard that even if an aftermarket antifreeze says "safe in all systems" or something to that effect, that it may not necessarily be the case. Does anyone know if something like the Penzoil high mileage premixed is acceptable for a GEN1 Avalon system. Thank you.
Mixing coolant is not as big of a problem as it once was. I recommend using whatever coolant you like, but replacing all of it with the same kind. Then you can keep a little of it around for topping off as needed.
Toyota Red comes concentrated so it isn't really expensive. Once you mix it with distilled water you get 2 gallons of coolant for $17-24, depending on how much you can get it for.
if you buy a gallon of "the cheapest" you will receive a gallon of ethylene glycol. if you buy a gall on "the red," what do you get?
There is ample information out there explaining the chemistry of various coolants. Yes, the main ingrediant is EG which protects against freezing and boiling. However, if you add only EG and water (even demineralized water), your engine block and radiator would not last very long. Your inference that all coolants are equal because they all contain EG is totally incorrect.
Toyota red is one of the best coolants available. I would not cheap out on coolant.
There is ample information out there explaining the chemistry of various coolants. Yes, the main ingrediant is EG which protects against freezing and boiling. However, if you add only EG and water (even demineralized water), your engine block and radiator would not last very long. Your inference that all coolants are equal because they all contain EG is totally incorrect.
Toyota red is one of the best coolants available. I would not cheap out on coolant.
sooo.... after about 50 years of driving, and doing 98% of the work my vehicles needed, you're telling me that WATER in my radiator has the potential to harm my car?
if so, what has changed? radiators? engine blocks? water?
one of these days you guys will figure out that being a book-a-holic makes you a SUCKER. the people that write those books put stuff in there that MAKES THEM MONEY...
you're telling me that WATER in my radiator has the potential to harm my car?
Interesting rhetorical technique. Put words into someone else's mouth, then belittle them for having said what they didn't really say!
Contrary to your assertions, the OM's for the three Toys in my family are very good about specifying generic fluids for oil, P/S, brake and ATF. But not coolant.
I use Supertech oil and ATF, and stock up on Wearever brake fluid and brake cleaner when Advance has its BOGO in January. But I use Toyota red coolant because it is an excellent product which meets the design specs of the vehicle. I would use it if I had to pay $50 per gal. The last two jugs I got for under $12 apiece.
Sometimes "the man" speaks the truth, so I stop, listen and think, rather than reflexively dismissing manufacturer's recommendations. If you want to read flat out untruths about coolant, go to the manufacturer's site for Peak and read what they say about the "old green" stuff they sell. "Universal". "Meets or exceeds all".
What's the difference between the Toyota red and standard antifreeze other than Toyota is red and costs a lot more?
By the way i've been running 50/50 standard antifreeze in my two first 4 runners for 10 years, less build up in the radiator and red mess when one of the heater hoses leak.
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1999 Toyota Avalon
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