Coolant

Discussion in 'Engine & Performance' started by tcazes, Dec 30, 2016.

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  1. tcazes

    tcazes Senior Member

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    So I'm finding mixed reviews. What coolant should I top my radiator off with when I replace my thermostat tomorrow? Some say anything pre mixed and orange, some say hoat specific, my biggest thing is what can I get local from O'Reillys, auto zone, Napa, etc. I don't want to have to order radiator fluid like I have to do for oil with pup lol
     
  2. SyN

    SyN 6.7L CTD Owner

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    Does it have Dexcool in it now? Or should I say Dexcool Clone? (Orange)
     
    Last edited: Dec 30, 2016
  3. Burla

    Burla Senior Member

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    Is your vehicle OAT or HOAT? How many miles? Just do a distilled water flush and refill? Save the fluid you drain off and put back?
     
  4. tcazes

    tcazes Senior Member

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    Manual says 10yr/150k mile OAT. orange coolant in the radiator. Engine has 56k on the clock.
     
  5. Burla

    Burla Senior Member

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    Dude, that is fked up, lol. Orange is HOAT that I know of. Pink or Purple is OAT. I got my orange off ebay last week old stock, it is orange HOAT. I would look at doing an entire flush and add some RM-I25, just in case you need to clean some slime out. You have near 60k, so a flush is do anyhow. Ask Syn what you should put back. Let me check if Ram used orange OAT.

    It is a 2013 Ram 5.7 American truck? not Canada?
     
  6. SyN

    SyN 6.7L CTD Owner

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    Last edited: Dec 30, 2016
  7. tcazes

    tcazes Senior Member

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    Now you see why I was confused!!!!!

    It's a 2013 American 5.7 hemi Laramie long horn. 2wd with towing package.
     
  8. Burla

    Burla Senior Member

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    coolant Ram 2013

    Your a bubble truck, you likely got HOAT old stock. I would definitely do some type of flush, maybe run Zerex G05, seams to have a following, definitely dont take my word, research that. You are smart for double checking and not just tossing some coolant in there.
     
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  9. Hipps2000

    Hipps2000 Senior Member

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    Be careful I have a 13 as well went to dealer to have mine flushed...but be sure you know which you have in there. Mine is orange when I open cap as well...but I did read a post on here that had a star bulletin from ram stating that oat does look Orange under some conditions i.e in the rad looking down and a different color purple when in a cup. Weird. Don't mix the 2 or you'll have big problems...this is why I went to my dealer because if they fuck it up its on them. Lol

    Just make sure you know which you have HOAT or OAT

    I believe everything 13 and up is OAT


    Here is a pic of mine.
     

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  10. SyN

    SyN 6.7L CTD Owner

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    I know Dexcool is meant for a pressurized system.

    Suck some out into a clear glass container and observe the true color. (Cold)
     
    Last edited: Dec 30, 2016

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