coolant type
At 65000 miles my o3 is a little low on coolant.
the stuff in the overflow tank is pink not green what do I need to replace / add to this Thanks |
the coolant is called HOAT , dont know what the H stands for , but it is a Organic Acid Technology coolant, dont mix it with the green stuff.
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NAPA sells it, Zerex makes it.
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Rotella ELC is great coolant aswell.
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Hybrid Organic Additive Technology
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Originally Posted by BothellDiesel
(Post 1220774)
Rotella ELC is great coolant aswell.
All ethylene glycole based anti-freezes can be mixed, it just shortens the long life use out of the extended type anti-freeze. Do not mix propolene type with ethylene type anti-freeze or you could end up with jello in your cooling system. |
Diesel-spec Water Wetter is good stuff, too.
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The orange stuff is a "DEXCOOL" equivalent. Usually about $10 a gallon at wally world.
From an online article: "The "DexCool" designation means the coolant passes General Motors performance testing. Although DexCool is not a specific formula, all three brands that have the label (Texaco Havoline, Prestone Extended Life and Zerex Extended Life) are somewhat similar. In particular, they're OAT coolants, but the similarities go beyond that basic description. All DexCool-approved coolants to date use two organic acid rust/corrosion inhibitors, one called sebacate, the other called 2-EHA (which stands for 2-ethylhexanoic acid). These organic acids are very stable and last a long time, although they take thousands of miles to become fully effective in protecting coolant passages" |
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