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18th April 2019, 20:15 | #1 |
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Antifreeze option
Hey guys,
I just made a purchase of antifreeze TOTAL Glacelf Supra, red, G12 with OAT and 2 fellow Rover owners said I should have bought HEPU red G12. For the HEPU I can't see anything regarding OAT. 1) I want to mention that I'm planning on doing a full fluid swap. What do you guys think, have I stick with what I already bought (TOTAL Glacelf Supra, red, G12) or should I scrap that and go for HEPU G12? 2) On a second note, they said not to dillute the antifreeze, that it should go concentrated into the system 3) What do you guys think about HEPU Timing Belts and Waterpumps? Anyone had any experiences with them? Should I go for a different brand? The 3 brands available are SKF, HEPU and GK. Cheers |
18th April 2019, 20:22 | #2 |
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I prefer the blue antifreeze, I know a lot of folk like using OAT, so expect a lot of opinions.
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18th April 2019, 20:23 | #3 |
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Antifreeze concentrate must be diluted, premixed not so.
If using OAT antifreeze, the dilution rate should be no greater than 33% antifreeze to water. Brian |
18th April 2019, 21:24 | #4 |
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same for me blue.. dont mind changing it every 2 years. well i do it every year..
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18th April 2019, 22:08 | #5 |
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Thanks a lot for your opinions. I know it's a much debated topic
So basically the color is a reference on how often the antifreeze must be changed? I've also read on the forum some use pink, some use green? @Brian: so you're saying it should be 1/3 antifreeze and 2/3 water or the other way around? - Sergiu |
19th April 2019, 07:18 | #6 |
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Pink is the OAT antifreeze which usually has a 5-year lifespan.
1/3 antifreeze, 2/3 water. I prefer to use distilled water. |
19th April 2019, 08:56 | #7 | |
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Quote:
Antifreeze colour is used to indicate the chemical type (more or less). So, OATs are typically red/orange/pink. The older inorganic type may be blue, green or various other colours depending on the sort of ingredients used. These are classed as IAT (inorganic acid technology) and primarily designed for cast iron engines, so less effective at protecting aluminium alloys. They have shorter service life of about 2 years. In broad terms they'll all work as an antifreeze. For yours, buy a similar amount of deionised water and pre-mix them in equal volume for maximum frost protection. Use a lower concentration if you want, but remember frost protection is only part of the function of an antifreeze. Anywhere between 2:1 and 1:1 (water to antifreeze by volume) is fine. The easiest way to do this is to use a clean 5 litre plastic bottle marked at 1/3 or 1/2 full according to your choice of concentration. Fill to the mark with antifreeze concentrate, then top up with DI water in portions. Give each portion a good shake until properly mixed and continue like this until the bottle is full. You don't need to measure or weigh anything, it's not necessary. TC |
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19th April 2019, 23:00 | #8 |
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I understand now, thanks a bunch
Any opinions on the timing belt brand SKF, HEPU or GK? Any recommendations or bad experience if you had with a particular brand? - Sergiu |
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