Pink Antifreeze good for 100,000 miles??? - TundraTalk.net - Toyota Tundra Discussion Forum
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#1 (permalink) Old 09-29-2010, 06:50 PM
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Pink Antifreeze good for 100,000 miles???

Hi guys and gals,

What do you think of the pink antifreeze installed in your 2004 or newer Tundra and it's 100,000 mile change interval. I am a Toyota technician and I have seen an unusually high number of water pump leaks with the Super Long Life Coolant (the pink stuff). Camry 4 cylinder models seem particularly affected. I have seen leaks as low as 15,000 miles on the odometer. I have also changed water pumps on probably half a dozen 5.7 liter Tundras under 30,000 miles. Anybody else noticed this? Myself, I flushed that stuff out as soon as I got my Tundra and installed a mixture of green coolant and distilled water. From there I will change it every 2 years of 30,000 miles. Any thoughts?

Last edited by Cochrab73; 10-01-2010 at 05:40 AM. Reason: Typing error
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#2 (permalink) Old 09-29-2010, 06:58 PM
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Bump for information from other owners. Does the "pink stuff" come stock in 2010's?

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#3 (permalink) Old 09-29-2010, 07:07 PM
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Yes, all new Toyotas (2004 and newer) come factory filled with the pink stuff. Before that, Toyota used Long Life Coolant which is red. It was no better in my opinion. I prefer the green stuff.
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#4 (permalink) Old 09-29-2010, 07:15 PM
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Is there any possibility of damaging seals by switching from Pink to Green after 20K miles?

I do not want any problems in the future from the Pink stuff and/or from switching to green.

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#5 (permalink) Old 09-29-2010, 07:33 PM
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I am a Toyota Master Diagnostic Technician and have been with the brand for 15 years. That being said, I have never seen a problem by switching. At the dealership, I use the green coolant on every service I do on 2003 and older vehicles. I only use the pink in the newer vehicles because of the advertised longer life of the pink stuff. This is just my opinion, and others may disagree. If you're interested in switching, flush the system completely and use distilled water with the new antifreeze. I can let you know where the engine block drains (for the coolant) are and advise you on how best to do it. Thanks!
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#6 (permalink) Old 09-29-2010, 08:13 PM
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Originally Posted by Cochrab73 View Post
I am a Toyota tachnician
I think you mean technician not tachnician and if you are a technician why do you ask us?

just asking why

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#7 (permalink) Old 10-01-2010, 05:51 AM
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I think you mean technician not tachnician and if you are a technician why do you ask us?

just asking why
Sorry about the typo there. That's why I don't work in an office... Well, I just wondered if you have seen this or heard anybody else mention it. I only mentioned being a tachnician (I mean technician) to give a little background about myself, what I've seen, and why I feel the way that I do.
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#8 (permalink) Old 10-01-2010, 06:29 AM
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Have they made changes to that long life stuff since it was eating up the gaskets on gm engines? I think the good old fashioned green is the way to go. Also, beware that issued to cause some nasty reactions if you mixed in any green.....flush flush flush before switching.

I'd love to know where to drain the block and the proper procedure for burping it.

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#9 (permalink) Old 10-01-2010, 09:52 AM
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Have they made changes to that long life stuff since it was eating up the gaskets on gm engines? I think the good old fashioned green is the way to go. Also, beware that issued to cause some nasty reactions if you mixed in any green.....flush flush flush before switching.

I'd love to know where to drain the block and the proper procedure for burping it.
Was getting ready to chime in with the same info. My '02 S-10 came with the pink stuff. It needed a new radiator last year and when I requested the pink stuff my mechanic told me that they were now off of the pink and back on the green b/c the pink was causing leaks. I've been running green for a year now and it feels great


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#10 (permalink) Old 10-01-2010, 06:18 PM
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Have they made changes to that long life stuff since it was eating up the gaskets on gm engines? I think the good old fashioned green is the way to go. Also, beware that issued to cause some nasty reactions if you mixed in any green.....flush flush flush before switching.

I'd love to know where to drain the block and the proper procedure for burping it.
Do you have the 5.7 liter engine? In either case be it 5.7 or 4.6, you should be able to access the block drains with a 10mm swivel socket (or regular socket plus a universal joint) and a very long extension. Look in from the rear of both front wheel wells. You should be able to see the drain on each side of the engine directly in the side of the engine block. There is a 10mm bolt in a fixture with a small tube coming out of it. Loosening (you don't have to remove the 10mm plug) should allow the coolant to drain from the engine block. Don't forget the radiator drain. You need to make sure the heater temp is set on high before you begin to make sure the heater core can be flushed as well. From there, flush her out with the garden hose until the water drains out clear. It can take a while to get all the pink stuff out. I have used green coolant mixed with distilled water for 40,000 miles (I changed it again at 30,000 mi) and all is well. If you do this, be warned that it can be a pain to purge the air out of the cooling system after you refill it. If anyone is going to do this, let me know and I will try to give you some pointers on purging the system. This green coolant thing is my opinion and is not endorsed by Toyota in any way.
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#11 (permalink) Old 10-01-2010, 06:28 PM
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I too have seen way too many water pump failures with these so-called 100k coolants.

I drain/refill my radiator every two years and recommend that everyone does the same. With a shortened interval, there is no need for flushes/additives, garden hose technique, or other crazy coolant shenanigans......

Toyota pink is a great antifreeze and will keep your cooling system clean. Problems are that pump lube doesn't last indefinitely, and casting sand and metal debris will constantly be washed into and through your system. The only way to get rid of the debris is to install a filter, or change the antifreeze out regularly.

Peak Global and Zerex Asian are good substitutes for Toyota Pink and about 1/3 the cost. Both are available premixed 50:50. Peak Global is also available full strength and when you mix your own, always use distilled/deionized water.

I don't bother with, use, or even recommend plain ol' green antifreeze anymore. Too easy to be negligent with coolant and green doesn't tolerate negligence.

The problem with long life coolants is that automakers haven't installed antifreeze filters yet. Until they do, its a 2yr/30k max for the antifreeze.
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#12 (permalink) Old 10-01-2010, 09:30 PM
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Do not lump the Toyota pink stuff with the Dex-Cool GM crap. Two different animals.



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#13 (permalink) Old 10-01-2010, 11:42 PM
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No mention of Dexcool here. Not sure what you're talking about.
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#14 (permalink) Old 10-02-2010, 12:25 AM
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My tundra was just in and the pink coolant was low. I have 27K on my 08


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#15 (permalink) Old 10-02-2010, 04:57 PM
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Do not lump the Toyota pink stuff with the Dex-Cool GM crap. Two different animals.
Absolutely correct. Didn't the Dex-Cool tend to clog up heater cores, etc? The Toyota pink coolant (SLLC) is much better in that regard. It stays very clean, even up to the advertised 100,000 mile life. My only issue with the stuff is that it seems to cause leaks (particularly water pumps).
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