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Old 04-07-2012, 06:50 AM   #1
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Some diesel engines require special antifreeze to prevent erosion.
You may need to use CSA's or HOAT with your antifreeze..
I removed the content of the original post. I just thought it might be good information for those of us that have not been life long diesel owners.
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Old 04-07-2012, 10:10 AM   #2
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I knew they needed special coolant but did not know the real reason why. I thought it was just the latest technology. Thanks for informing us.



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Old 04-07-2012, 04:30 PM   #3
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I believe you are wrong about the GM diesels. The Duramax has a cast iron block. I did not see anything in the article that indicated otherwise. I wish we would get the facts right before posting scare articles like this one. This article only applies to sleeved engines.
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Old 04-08-2012, 04:39 AM   #4
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Its mostly the Power Strokes that have the cavitation issue. One of the reasons I bought the Dodge. Something in the design.

As long as you change AF before the PH changes, you'll probably be OK. That's what the Ford dealer told me back when I was looking.
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Old 04-17-2012, 02:42 PM   #5
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After all of my investigation, I finally took the Dodge Ram 2500 with Cummins into the dealership for a cooling system flush. The manual calls for extended life antifreeze with HOAT technology.
The dealership uses the same extended life antifreeze as cars use. We got onto their computer and entered the part number out of my owners manual; sure enough it brings up everyday extended life antifreeze. I guess the HOAT is now standard. Even the Dodge Forum and Cummins agreed.
Cavitation Post elsewhere:
http://www.rvforum.net/SMF_forum/ind...3874#msg483874


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