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Holts Radweld

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£107.11 Best Offer by: amazon.co.uk marketplace See more offers
1 Review

Manufacturer: Holts / Type: Accessory

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    1 Review
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      16.04.2012 18:54
      Very helpful



      A product that works

      ~Forget Wiki leaks, lets talk radiator leaks~

      I have used Holts Radweld in the past when I found that there was a very small leak coming from the radiator in one of my old cars. Whilst this was some time ago I feel this is worth reviewing as this product can be of some considerable help when you are running a car that has very minor radiator leaks. I have found that these issues can be so very easily helped with a little of this product. I recall that using this was quick and easy as all I had to do was add it were directed and then allow it to run through and settle over time.

      I picked Holts Radweld as it was the name I recognized from among the array of car care products in store, which I felt gave me some confidence in choosing it as I knew this product had been on sale for many years. The small product container was light and compact and held enough of the product for one application only. The bright blue label and packing made it stand out from other products on the shelf and the product information given on the bottle was easy to read and understand.

      This product is something that can be safely used around car cooling systems which may have rubber hoses as part of their make up although it won't seal leaks in them. You can also use this product even if you have added anti freeze or coolant to your system (which I had done at the time) as it will not interfere in any way with those types of products. I was pleased to note when using this that it contained added rust inhibitors which I felt would be of use under the circumstances as the leak may have been caused by rust issues. You have the option to add this directly to the car radiator if wanted or to the reservoir if that is easier to access and I found this easy enough to do as it took no time at all.

      Whilst the older formulation of Radweld that I bought and used is not as concentrated as the newer Holts Radweld Plus product, the addition of this product to the car radiator did work well enough. I recall that it didn't take long for it to help put a stop to the very minor issues my cars radiator was having at the time. I don't think this product will work to seal a leak in a rubber hose as it is not really meant for that type of thing, as I was informed that Radweld has a very limited amount of flexibility once settled. In the metal car radiator that this was run through I recall the product certainly held well and the leak was stopped entirely which I was pleased about.

      ~Price and rating~

      I only bought the small sized 250ml container at the time and cannot remember exactly what I paid for it, however having checked most recent prices it appears that it now costs roughly £4.99 for this size. I don't think this would be a good solution for larger radiator leaks (although some people recommend trying the larger bottle in that case as it holds double the amount of Radweld which may help). In this case the product did work well at the time and as I recall the car continued to run with no issues for quite some time after using this product. As Radweld seemed to do what it promised for only a small outlay I am going to give it a 4 star rating. There is a newer product you can buy now that promises to be even better, which I would consider using in future should the need arise.


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  • Product Details

    Radweld 250ml

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