Coolant After-market or Toyota Brand... - Toyota RAV4 Forums
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#1 (permalink) Old 11-11-2009, 02:13 PM
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Coolant After-market or Toyota Brand...

I just purchased the Prestone 50/50 Prediluted Antifreeze/Coolant, All Makes, Models, and adds to ANY color anti-freeze....but i'm still hesitant to pour it in my new rav4....Should i just use it or return it to pepboys and go for the Toyota brand?

If i should use it, is it necessary to flush out the old coolant or can i just pour it in and mix it in with the pink coolant.
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#2 (permalink) Old 11-11-2009, 05:49 PM
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what you got is fine. I used the same thing when I needed to top off and never had a problem
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#3 (permalink) Old 11-11-2009, 07:14 PM
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While you are in warranty you should use nothing but OEM fluids. If by some chance you get a weird chemical reaction from mixing coolants, your Toyota guy is just going to laugh at you.

If you want to switch brands after the warranty runs out, flush well and don't mix brands.

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#4 (permalink) Old 11-11-2009, 08:54 PM
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Are you losing coolant? I've had my RAV almost a year now and haven't added any. When the engine is cold, the level of the pink coolant is right at the low mark. When the engine is hot, it stays at the high mark.

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#5 (permalink) Old 11-11-2009, 08:59 PM
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i dont't think im losing coolant, when my car is cold the level is at low or somewhat under it. Aren't u suppose to add more so its like either at max or between max and low?. I don't think i had a full coolant level when i got my car.
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#6 (permalink) Old 11-12-2009, 12:28 AM
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Just get Toyota coolant. I've seen first hand what mixing coolants can do to aluminum. It's shocking. Not to mention, different coolants have different levels of additives and lubricants. Why take a chance with your car and your warranty? BTW, flushing is not a guarantee by any means. The chemicals in the coolant bind to aluminum. This is not simply flushed away even with a chemical flushes. It literally becomes part of the aluminum and then that part reacts and rots away, so to speak.
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#7 (permalink) Old 11-12-2009, 12:34 AM
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Page 472 of the 2009 Owner's Manual says
Quote:
Use either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and
non-borate coolant with long-life hybrid
organic acid technology
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#8 (permalink) Old 11-12-2009, 07:41 PM
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Quote:
Originally Posted by Carbon
Page 472 of the 2009 Owner's Manual says
Quote:
Use either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and
non-borate coolant with long-life hybrid
organic acid technology
That is to avoid anti-trust issues, it's all part of a game. The car maker would like to demand that it's product be used with warranty voidance as a penalty for failure to comply. They cannot so they make it difficult not to.

Since the difference in cost is trivial, I like to go with the factory stuff.
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#9 (permalink) Old 11-13-2009, 01:25 AM
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The corrosion inhibiting properties of organic acid coolant OAT are designed to last an extended amount of time, but take some time to provide full protection. Toyota adds a small amount of silicates to fill the gap. Unless the coolant you've chosen has the correct mix of OAT and silicate, you may be creating a problem. I would stick with Toyota coolant.
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#10 (permalink) Old 11-13-2009, 11:46 AM
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Confused

I am in the same boat as the OP...

When the car is cold, and i check coolant level, it is a little below low.
Are you supposed to read coolant level when the car is cold? or hot?

AND, should I or shouldn't I add more coolant?

Finally, what is the consensus about adding OEM vs aftermarket...I really don't mind paying more for the right stuff, if it makes a difference.

Thanks for all the input.

Big M in the Great White North!!!
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