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- Discovery II (https://landroverforums.com/forum/discovery-ii-18/)

- - What to mix with antifreeze? (https://landroverforums.com/forum/discovery-ii-18/what-mix-antifreeze-43313/)

Quote:

Originally Posted by disc oh no (Post 264926)

That's what I thought I usually use distilled water in my other vehicles but I've been told not to use it in a Rover????? I guess they didn't know whawt they were talking about.

Nope, they didn't. Or else someone was talking about using 100% distilled water, which of course you shouldn't do.

Quote:

I usually don't buy the pre-mixed stuff. I remember a while ago before they realized that they could trick people into the one step, no guessing, no mixing crap they tell people to sell them REALLY EXPENSIVE water!

LOL Well said! I've never understood buying the premix.
The only time I've bought it was on the road when I needed some and didn't want to also have to find a grocery store to get distilled water. Otherwise it's $8 for 100% + 70 cents for distilled water = 2 gallons for $8.70.
Otherwise I'm like you, I don't see any reason to spend $8 a gallon for distilled water. Mixing antifreeze is one of the most trivial things you can do related to car maintenance.
Unfortunately, I've no doubt it will be harder and harder to find the 100%. What a scam!

A coolant filter may not have much rust to remove in a v-8 Rover....

Quote:

Originally Posted by bosshogt (Post 264964)

I found how the filter is added. Its somthing like an in-line fuel filter but with shut off valves on each end. So you would not add air to your cooling system each time its changed. I Googled it and found this nice writeup on a Ford diesel truck.
Napa sells a full kit. Check out how dirty that filter is on this website

Coolant Filter Retrofit

Wow!!! I guess ANY system that circulates fluids through an engine could use a filter. Makes sense if you think about it. Thank you very much for taking the time to post this.

Quote:

Originally Posted by Savannah Buzz (Post 264975)

A coolant filter may not have much rust to remove in a v-8 Rover....

This is true, I have taken a good look at the insdie of all the engine parts where the coolant passes through (well, what you can see, anyway) and it seems to look really clean especially for a truck with 145,000 miles on it!

The 50/50 mix products are mixed with Distilled water. The risk with using something other than pure (distilled) water is naturally occuring minerals in the water will create electrolysis by moving through an aliminum engine. This elecrolysis will vary as far as how bad it gets and how long it takes, but it will eventally need to discharge. When it discharges it will gradually etch away at the discharge point, often the heater core, and create a leak. Once the Coolant System is contaminated with minerals it is difficult, if not impossible, to remove.

I don't think anyone suggested using anything other than distilled water.
You don't have to buy the premix to do that.