Or add this stuff and a little Redline water wetter to be sure.
http://www.valvoline.com/pages/products/product_detail.asp?product=9
Mullen, Tim (IIS) wrote:
> nick brearley wrote:
>
>>
>>Recent years I've moved away from replacing coolant on a
>>two year cycle and gone over to testing for freeze
>>protection <...> If anyone can see a flaw in this
>>thinking I'd be grateful to hear it before the chickens
>>come home to roost.
>
>
> Just one flaw. Anti-freeze protection is just one function of the
> coolant. It also provides lubrication for water pump seals, and
> anti-corrosion protection for the metal in the engine/cooling system.
> Although the anti-freeze protection doesn't wear out (it should pretty
> much last forever), the rest of the stuff is used up. That's why you
> need to change the coolant periodically - not because it won't stop
> things from freezing.
>
> Tim Mullen
>
> Chantilly, VA
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