LOGIE Posted October 18, 2015 Share Posted October 18, 2015 My daily driver (V70) seems to have a very minor coolant leak that I cannot detect (I loose about 1 litre a month) I'm suspecting this is a pinhole in a coolant pipe that's possibly blowing steam whilst hot. I was wondering if waterless coolant may solve this? Thoughts? Also how would I go about draining ALL the normal coolant from the system. (Running engine for 30 secs after draining from bottom rad hose possibly) Thanks for any input. Quote Link to comment Share on other sites More sharing options...
Ric Posted October 18, 2015 Share Posted October 18, 2015 The waterless coolant is a bit of a mare i think, It costs loads for the coolant, plus you need the same amount of primer treatment to get rid of all the water before hand, it ends up costing like £200 just for the stuff. You have to run the primer solution in your car for a few days after for it to circulate and get all the water. Then it might ultimately not fix your issue. Gimmick, imo. Quote Link to comment Share on other sites More sharing options...
LOGIE Posted October 18, 2015 Author Share Posted October 18, 2015 Cheers Ric I never even knew about the primer treatment. (Not read into it much tbh) idea only came to me yesterday when I ran out of spare coolant and had to use water. Think I'll be better replacing hoses and cracking on with regular coolant. Quote Link to comment Share on other sites More sharing options...
Al Massey Posted October 18, 2015 Share Posted October 18, 2015 It's great stuff, just. It does reduce temperatures quite a bit, but for overall cost and faffing about its useless. Quote Link to comment Share on other sites More sharing options...
evinX Posted October 18, 2015 Share Posted October 18, 2015 The waterless coolant is a bit of a mare i think, It costs loads for the coolant, plus you need the same amount of primer treatment to get rid of all the water before hand, it ends up costing like £200 just for the stuff. You have to run the primer solution in your car for a few days after for it to circulate and get all the water. Then it might ultimately not fix your issue. Gimmick, imo. Definatley a gimmick. If it was just full up job done would be great...but no. The only fix is to stop the leak properly. Additives and what not wont solve it... Quote Link to comment Share on other sites More sharing options...
Dnk Posted October 18, 2015 Share Posted October 18, 2015 Pressure check the system Quote Link to comment Share on other sites More sharing options...
Digsy Posted October 18, 2015 Share Posted October 18, 2015 It's great stuff, just. It does reduce temperatures quite a bit, but for overall cost and faffing about its useless. Not sure how you figure that. All the waterless coolant FAQs I have read state that systems typically run hotter after conversion, which stands to reason because pure water has a higher specific heat capacity than pure glycol or a water-glycol mix. The claimed advantage of waterless coolant seems to be that they don't enter into a film boiling regime in the hottest parts of the engine. The fact that waterless coolants can run at nearly 200degC is a bit pointless because by the time your coolant gets that hot, your engine will have detted itself to pieces anyway. Evans has a boiling point above 180ºC which ensures it will not boil or turn to vapour inside an engine. By remaining as a liquid under all engine loads effective heat transfer is maintained. Engines filled with Evans usually run 3 - 10ºC hotter than those using water-based coolants, but the overall heat transfer and engine efficiency is improved through the elimination of steam-vapour pockets. The lube-oil temperature also runs 3 – 10ºC hotter with Evans but >500,000 successful conversions confirm this has no detrimental effect. I can see what that are getting at. There's a lot of technical blurb on the Evans website. However I think you would have a tough time proving the benefits without doing a whole load of very carefully instrumented tests. And it won't cure a leak. Quote Link to comment Share on other sites More sharing options...
Al Massey Posted October 18, 2015 Share Posted October 18, 2015 Not sure how you figure that. All the waterless coolant FAQs I have read state that systems typically run hotter after conversion, which stands to reason because pure water has a higher specific heat capacity than pure glycol or a water-glycol mix. The claimed advantage of waterless coolant seems to be that they don't enter into a film boiling regime in the hottest parts of the engine. The fact that waterless coolants can run at nearly 200degC is a bit pointless because by the time your coolant gets that hot, your engine will have detted itself to pieces anyway. I can see what that are getting at. There's a lot of technical blurb on the Evans website. However I think you would have a tough time proving the benefits without doing a whole load of very carefully instrumented tests. And it won't cure a leak. Sorry, I should I expanded more. Yes the coolant gets hotter, but it dissipates the heat quicker and more efficiently, therefore reducing temperatures on the outside. My mate has this, and tried forever to convert me. You can run your engine with the rad cap off and it won't boil over or blow. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted October 18, 2015 Share Posted October 18, 2015 Basically you are like the man with a petrol leak from a rusted tank in a bone stock Mini asking if he should buy some £35 a gallon race fuel for it as it stops det in 13.75 to 1 compression race engines.... Just fix the *@#~%$ leak Quote Link to comment Share on other sites More sharing options...
Ian Ian Posted October 19, 2015 Share Posted October 19, 2015 My Question would be how does it alter the Heating in the car if it runs colder and "no" pressure in the system Cheers -Ian- Quote Link to comment Share on other sites More sharing options...
Benjy Posted October 19, 2015 Share Posted October 19, 2015 Basically you are like the man with a petrol leak from a rusted tank in a bone stock Mini asking if he should buy some £35 a gallon race fuel for it as it stops det in 13.75 to 1 compression race engines.... Just fix the *@#~%$ leak Quote Link to comment Share on other sites More sharing options...
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