revilla Posted August 3, 2013 Share Posted August 3, 2013 It looks as though I am going to have to drain my coolant to address a water leak one way or another (see here). While I'm at it I want to fit a bleed tee (which I have in the garage ready to fit). Thing is I'm not sure which of the pipes (A or B) in this picture is the best point to install it - I can pull either one of them upwards to be the highest point in the system. Advice please? Also: The coolant is still clear, clean and pink - should I be reusing it or refilling with fresh when I'm done? Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted August 3, 2013 Share Posted August 3, 2013 Fit it at the highest point. I would put it in 'B' as there is more slack to be able to raise it. Reuse the coolant if clean and fresh. Link to comment Share on other sites More sharing options...
Grim Reaper Posted August 3, 2013 Share Posted August 3, 2013 I'd say swap the pipes over and put it in the uppermost one. Link to comment Share on other sites More sharing options...
revilla Posted August 3, 2013 Author Share Posted August 3, 2013 Ta! Link to comment Share on other sites More sharing options...
revilla Posted August 3, 2013 Author Share Posted August 3, 2013 Does it not really matter which way the water flows through the heater matrix then? Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted August 3, 2013 Share Posted August 3, 2013 Nope ! Link to comment Share on other sites More sharing options...
Oily Mick Posted August 3, 2013 Share Posted August 3, 2013 Quoting revilla: Does it not really matter which way the water flows through the heater matrix then? Quoting Stationary M25 Traveller: Nope ! Yes. If they are the wrong way round into the diverter valve it will be less able to completely turn the heater off. Edited by - Oily Mick on 3 Aug 2013 23:30:13 Link to comment Share on other sites More sharing options...
robert green Posted August 4, 2013 Share Posted August 4, 2013 I understood that coolant became less effective with age so clean and clear or not I would replace. It seems mad to go to all the effort to drain down and not add fresh coolant. Is that wrong? Link to comment Share on other sites More sharing options...
slap_ed Posted August 4, 2013 Share Posted August 4, 2013 Hi all, Providing the concentration/mixture is up to full strength, the antifreeze part will last indefinitely. It's the corrosion inhibitors etc which looks after the internals that become less effective. So renewing it is the best bet. Cheers Graham Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted August 4, 2013 Member Share Posted August 4, 2013 *arrowup* *arrowup*Agreed about the additives. So I'd reuse coolant only if it looked clean AND was new. Jonathan Link to comment Share on other sites More sharing options...
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