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    antifreeze disposal

    HI Guys,

    a simple question, where does one legitimately dispose of old coolant, my local civic amenity site wont accept it, I now have 20 litres to get rid off. The reason being, was that I did a coolant change back in January and with not much happening during lockdown i decided to do something about the slight weep of coolant from the right cylinder head. The engine is running so well I did not want the potential problem of removing the head so after some research I decided to add Steel Seal to the cooling system.

    A simple process, drain a small amount of coolant add 2 bottles for engines over 2.5 litre and top up, run engine up to temperature and leave running for 30 minutes with heater fully open and maximum fan, the coolant reached 100 degrees, and leave to cool. The next day when I started her, the usual initial slight fluffing didn't happen, so maybe I had a slight leak into a cylinder as well, all good, but on driving out the temperature rapidly climbed to 90 with the electric fan permanently running with temperature soaring to over a 100 after I switched the engine off. The same happened the next day, so I decided to completely drain, flush and refill with fresh coolant. Well, engine now running at normal temperature, just over 80 and no drop in coolant level and still no slight fluffing on start up. I can only assume that a chemical reaction was continuing to happen with the Steel Seal in the system accounting for the 10 degree rise in running temperature, but it does seem to have done what it said on the bottle, so a good result in the end, but resulting in another 10 litres of old coolant to dispose of hence the initial question. Maybe my experience though may be useful to anybody else with similar coolant leak from head gasket.

    Cheers Mac

    #2
    I used rad-weld plus to the same effect, it took a lot of flushing to get it back out though!

    I also have a lot of Antifreeze to be disposed off.

    Dave

    Comment


      #3
      Next doors cats water bowl,it keeps ****ting in my garden

      Comment


        #4
        I am fortunate in that my local garage will "take it off of my hands". I service all my own cars but use them for MoT's on all the families vehicles and my dad gets his car serviced there. Known them for years & they are classic friendly. Otherwise I don't know where I would get rid of it as our local council site will not accept it either. So it might be worth asking a favour of your local garage if you have one.

        In my book It is another argument for using long life OAT coolant that only needs changing every five years or so. More than halves the problem (except in the O.P. situation!).

        White TV8 BW35 no mods and now a Dolly Sprint to keep it company
        So many cars, so little time!

        Comment


          #5
          Originally posted by garyf View Post
          Next doors cats water bowl,it keeps ****ting in my garden
          I know/hope dearly you meant that as a joke - the death a cat suffers from drinking antifreeze is awful.
          Header tanks - you can't beat a bit of bling.

          Comment


            #6
            Mix it with your used engine oil then take it to your local recycling centre

            Comment


              #7
              Thanks guys, probably wont use next doors cats bowl, my dog likes to bark at her. I have found after a lot of searching, you won't belive this, that the City of London operates a collection of hazardous waste including anti freeze, covering the whole of Greater London, I live in Croydon area.. if a council tax payer you are allowed up to three free collections a year, i only need to fill in a online form and it's sorted. I'll let you know.

              Cheers Mac

              Comment


                #8
                Originally posted by Seaking View Post
                Mix it with your used engine oil then take it to your local recycling centre
                this is what I used to do for the fluids from my personal car

                Now I am running a business I have 3 25litre drums to empty and need to head down the route of commercial waste, gah
                Stags and Range Rover Classics - I must be a loony

                Comment


                  #9
                  I spoke to my local recycling centre about the old coolant, and was told to put in the oil recycling. However, the plastic box into which I had drained the old coolant snapped and broke as I was pouring into my plastic can. Spent half an hour with the garden hose on it to try and dilute it. Seems to have worked as all the wildlife is still visiting the garden.

                  Comment

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