what type of coolant does the 6.7 take? - Dodge Cummins Diesel Forum
07.5 - 09 3rd Gen 6.7L Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine, Transmission, etc...NO ADVERTISING

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post #1 of 19 (permalink) Old 09-09-2011, 12:41 PM Thread Starter
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what type of coolant does the 6.7 take?

goin to the parts store tonight to get coolant as im doing a flush tomorrow. what is the correct fluid and how much does it hold?

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post #2 of 19 (permalink) Old 09-09-2011, 01:10 PM
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I'm pretty sure it's the fleet guard which is "pink". My local oreilly's doesnt carry it.
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post #3 of 19 (permalink) Old 09-09-2011, 02:20 PM Thread Starter
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someone said it was zerex G 05 coolant
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post #4 of 19 (permalink) Old 09-09-2011, 02:36 PM
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According to the owners manual, it needs to be a HOAT (Hybrid Organic Acid Technology) antifreeze. When I was looking, the only one that I could find other than Mopar was the Zerex G05.

Valvoline.com > Products > Zerex > Antifreeze Zerex > Zerex G-05 Antifreeze / Coolant

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post #5 of 19 (permalink) Old 09-09-2011, 06:07 PM
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Zerex G 05 coolant is correct. I happened to pick some up yesterday after I had the clerk verify on his computer that it's the right stuff. The bottle also says on the back that it is for Dodge Cummins up to 2006 and later.

I was a little concerned about the color, though. It isn't pink but sort of yellowish. I just added enough to bring the level up in the recovery tank. Hopefully it will mix well with the pink stuff.

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post #6 of 19 (permalink) Old 09-10-2011, 03:21 PM
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Wish I new the difference. Half my trucks life was green the other half gold. Never noticed a difference. From what I saw. Now that I got my modded radiator from puredieselpower.com I went back to gold. I try not to be outlaw to much.
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post #7 of 19 (permalink) Old 09-10-2011, 03:59 PM
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Zerex G05 is the factory fill, but the Mopar bottled stuff is orange, the OEM is pink, and the G05 off the shelf is yellow.. but it's all Zerex G05.

There are many coolants that HOAT does not mix with (regardless of what the bottle says) and can gum up and give you lots of issues.

This is a 5.9, but no difference. Coolant flush on a 3rd Gen.
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post #8 of 19 (permalink) Old 09-10-2011, 11:24 PM
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Napa has the right stuff. Napa part number for the 50/50 pre-diluted HOAT Zerex G05 is "ZXG05RU-1" and lists for $13.11/gallon

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post #9 of 19 (permalink) Old 09-10-2011, 11:40 PM
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You don't want to use pre diluted in these blocks or you will end up with a very weak mixture... Look at the post I linked it explains why.
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post #10 of 19 (permalink) Old 09-11-2011, 12:05 AM
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Quote:
Originally Posted by AH64ID View Post
You don't want to use pre diluted in these blocks or you will end up with a very weak mixture... Look at the post I linked it explains why.
For a flush situation you are very correct.

For a topping off situation the premixed works fine.

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post #11 of 19 (permalink) Old 09-11-2011, 09:40 AM
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Quote:
Originally Posted by ant.foste View Post
For a flush situation you are very correct.

For a topping off situation the premixed works fine.
Correct, and since this is a flushing thread the pre-mix isn't applicable.

Just don't want guys to end up with the wrong stuff.
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post #12 of 19 (permalink) Old 09-11-2011, 01:31 PM
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Went hunting for coolant today, Napa is closed and the other guys don't carry it. Had to use water and I guess I will have to drain a bunch and re fill. I may go ahead and flush her out.

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