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The mkiv Supra Owners Club

Cooling system flush


Jellybean

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Holts speed flush 250ml from Halfords

 

I also have the Holts 2 step rad flush (two separate bottles and you have to use one straight after the other) but didn't need to use it on my partially blocked heater matrix.

 

I'd go with the speed flush and see what happens as it's mild in action ie won't hurt anything and can only help as a first try.

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