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Old 06-01-10, 09:47 PM   #10
Martin C
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Join Date: Dec 2007
Posts: 67
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It has probably been said before, but just as reminder for anybody that is not aware.

All Z's were factory filled with OAT (Organic Acid Technology) fluid and not anti-freeze, OAT is red or orange in colour. Anti-freeze being usually green or blue and glycol based.

The two don't mix, well they do, but if you mix them it causes corrosion and sludge.

One should be careful when purchasing OAT, my local Motorist Discount Centre didn't have any and tried to convince me their all year round coolant was fine and mixes with anything, but it was glycol based. When I pointed out it wouldn't mix with OAT they claimed they'd never heard of OAT? Halfords sell it in ready made 50/50 mix in 5 litre bottles.

Sorry if I'm teaching Granny to suck eggs, but there might be some who don't know.
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