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RedBaron RedBaron is online now
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Join Date: Dec 2007
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I did the following things...

Mixed Oxacilic acid into boiling hot water and poured it into the heater core
Mixed Sodium Carbonate into boiling hot water and poured it into the heater core
Used a garden hose to flush the heater core out
Used an air compressor to blow out the tap water

I then filled the system with a 60/40 mixture of fresh g12 and bled it thoroughly. The result was very hot heat!

When I got the car two years ago, the previous owner was NOT running G12. I decided to dump whatever he was running and I ran the car with distilled water for a short period; I then purged that and I poured in a fresh mixture of G12/Distilled water.

I was afraid of putting CLR in because it says to not use it with any brass/copper.

Thanks for the help!
Old 01-04-2014, 05:50 PM
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