Radiator flush

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fcache@gmail.com - 27 Jul 2006 11:52 GMT

Hi,

I have a 97 Saturn SW2 and I want to flush the radiator. I know that
when I finish flushing the radiator that I need to re-fill it with a
50% - 50% mix of distilled water and DexCool, but can I just flush it
with regular tap water? If I have to use distilled water then,
typically, how many gallons will I need?

Thanx,
Ed

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Kevin - 27 Jul 2006 13:07 GMT

> Hi,
>
[quoted text clipped - 6 lines]
> Thanx,
> Ed

There is no need to use distilled water for flushing the radiator. You will
be draining it out anyway. Some may remain in the block, but it should not
contain enough minerals to cause any problems, especially if you are using
distilled water to top it off after putting in the correct amount of
coolant. The DexCool contains additives that should negate the small amount
of minerals found in most tap water anyway.

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Daryl Bryant - 27 Jul 2006 13:14 GMT

> Hi,
>
[quoted text clipped - 3 lines]
> with regular tap water? If I have to use distilled water then,
> typically, how many gallons will I need?

Is perhaps better to use distilled water because it contains no mineral
content i.e. is less corrosive - I just use the ole hose and do a regular
flush about every 2 years!

Can't tell you the quantity i.e. all engine cooling systems are not created
equal!

Perhaps your owner's manual has the quantities!

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