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The mkiv Supra Owners Club

coolant...clear this up for me


chrex

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Hi guys,

 

Right i need to change the coolant on the soop, and i dont believe that toyotas 4life is the ONLY stuff i can use. Im happy to use distilled water, but there has to be other coolants i can use!?

 

Who has used what thats worked fine. I suspect any pink glycol based is gona be fine?

 

Chris

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Have a read here, http://blog.chiltondiy.com/2013/06/which-antifreeze-is-right-for-your-vehicle/

There are three main types of coolant, one doesn't mix, not sure on the Toyota stuff, I just drained it out and flushed the system anyway, as I am inclined to remove any sediment and refilled with std blue type which can be had for £10 for 5lt and can be diluted down to 75/25% but I tend to use 50/50% so considerably cheaper than the red for life with is just a long life version and eventually goes brown and leaves deposits.

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As above it's worth a good flush through, you can get a sense of the condition of the cooling system visually from, any sediment in the coolant expansion tank and the state of the rad under the rad cap. The less sediment and rustiness the better. If any is present, then after draining and with the lower rad pipe removed flush the rad from the top and collect the water in a bucket and see how rusty this is, sometimes the inner bore of the main coolant pipes has some rust residue too. The more signs you find the more I'd make an effort to flush/clean other bit's before refilling with coolant.

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Buy;

 

http://www.halfords.com/motoring/engine-oils-fluids/antifreeze/halfords-oat-antifreeze-concentrate-5-litres

 

and

 

http://www.halfords.com/workshop-tools/garage-equipment/car-battery-chargers/halfords-battery-top-up-water-5l

 

Job done. Even cheaper if you've got a trade card or know someone who has. This was recommended by some members on here. I've been using it for a few years and have had no problems.

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Why are you so against the Toyota red?

 

I think the only thing against Toyota red is the price

 

The red stuff has something in it to prevent reaction with aluminium I think. That's the important bit.

Toyota will always recommend their own stuff like most car manufacturers.

 

They all have anti corrosive additive's, and pretty much all manufactures will claim their stuff is best.;)

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All you get for the extra money is a red dye in a normal ethylene glycol anti freeze that changes to muddy brown if the coolant becomes acidic and needs changing. I buy and use any branded, none ready mixed ethylene glycol antifreeze that is at a good price at the time. ready mixed always costs more than mixing your own. If people wast 4 Life I keep it, but I think it's a waste of money ;)

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