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  #13  
Old 01-30-2014, 01:19 PM
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Re: Low/No Engine Coolant

The orange one is a 5 year/ 100.000 miles coolant, while the purple one is a 10 year/150.000 miles coolant.
I only wonder if it would be advisable to leave the coolant in there for so long. With the modern engines which are made of iron and aluminum, you see more and more problems coming up due to electrolysis. Aluminum is eaten away due to this process and causes leaks in radiator cores and also problems at aluminum heads.
On the 4.7 this is a problem already and i wonder how it will be on the newer engines with the 10 year coolant.
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  #14  
Old 01-30-2014, 01:25 PM
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Re: Low/No Engine Coolant

im wondering if I should flush out my orange and fill it with the purple.

I also never leave coolant in there for longer then 35-60K miles... it just don't make sense to leave it in there for 5-10 year or even 100k ... idc what the MFG recommends ... I like fresh fluids.. im even going to do my diff, transfercase and tranny at 25-30K ... I use synthetic oil and I still change it ever 3,5-5k... call it a waist of money... I call it insurance of a strong running vehicle.
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  #15  
Old 01-30-2014, 01:41 PM
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Re: Low/No Engine Coolant

Never leave my coolant in for longer than 3 years despite the advertising intervals. Lots of horror stories with DexCool coolant issues in GM cars with customers leaving it in too long.
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  #16  
Old 02-14-2014, 02:39 PM
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Re: Low/No Engine Coolant

So after all this trouble I still had the high pitched noise during cold startups (the original problem they were troubleshooting).

The actual culprit was the belt tensioner. All that extra coolant system work for nothing!
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  #17  
Old 02-16-2014, 12:18 PM
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Re: Low/No Engine Coolant

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Originally Posted by Evolv0 View Post
hmm, what is the difference between the 2 coolants??? I think I have the orange in my 2014 hemi... or does this only apply to the v6
Your 2014 has purple OAT type coolant in it as the factory fill. Chrysler went from an orange dyed HOAT type coolant to the newer purple dyed OAT type coolant between the 2012 and 2013 model years!

Chrysler started to use an OAT (Organic Acid Technology) MS-12106 Spec, G-30 European spec, 10yr/150K mi, coolant in all their 2013 & up model year vehicles. Chrysler dyes it's OAT type coolant purple. This was done to keep the coolant fill the same in all of Fiat's car lines as Fiat uses OAT type coolants and purchased Chrysler ~ 2010. Mopar OAT p/n 68163848AA (concentrate) / p/n 68163849AA (50/50 mixture) MSRP $53.35/gallon (concentrate) / MSRP $33.35/gallon (50/50 mixture)

Before that Chrysler had used a HOAT (Hybrid Organic Acid Technology) MS-9769 Spec, G-O5 European spec, 5yr/100Kmi, coolant from 2000 ~ 2012. Chrysler dyes it's HOAT type coolant orange. This was the coolant Mercedes has used for over 30 years, (dyed blue) with great results. When Mercedes had owned most of Chrysler during that time period they started using HOAT type coolant. Mopar HOAT p/n 68048953AB (formerly 5066386AA) MSRP $21.95/gallon. Concentrate only.
Do not mix this HOAT type coolant with anything made by Prestone!

This warning is from Chrysler;

CAUTION: Avoid non-HOAT mixtures, such as Prestone 50/50, that claim they can be used in vehicles of "all makes, all models".


Do NOT mix the two coolants!! Although they are both ethylene glycol based coolants, dyed a different color to differentiate them, the corrosion inhibitor chemicals they contain do not work well together and are not compatible with each other. Also Chrysler may claim a 5 or 10Yr service life for these coolants, but I would change them out well before that suggested service interval!!

This is directly from Chrysler on mixing the two different coolants;

CAUTION: Mixing of engine coolant (antifreeze) other than specified Organic Additive Technology (OAT) engine coolant (antifreeze), may result in engine damage and may decrease corrosion protection. Organic Additive Technology (OAT) engine coolant is different and should not be mixed with Hybrid Organic Additive Technology (HOAT) engine coolant (antifreeze). If a non-OAT engine coolant (antifreeze) is introduced into the cooling system in an emergency, it should be replaced with the specified engine coolant (antifreeze) as soon as possible.

I hope your local dealers know what they're doing with late model WK2's requiring cooling system service!!
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  #18  
Old 02-16-2014, 09:46 PM
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Re: Low/No Engine Coolant

Parks, what dealer are you using? My guess, Performance LaVista.
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Old 02-17-2014, 02:31 AM
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Originally Posted by jgc4ever View Post
Parks, what dealer are you using? My guess, Performance LaVista.
And you guessed correctly. It's kind of been a crapshoot there for me the last few years. It's mainly the convenience to home and work that keeps me coming back. Sometimes the experience has been great. Other times not so great.

Who is your preferred dealer in town?
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  #20  
Old 02-17-2014, 09:10 AM
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Re: Low/No Engine Coolant

5 yr/50,000 miles (orange) vs 10 yr/100,000 (purple). Have purple stuff in my 07 ZF.

If you really want to get confused, see here.
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  #21  
Old 02-17-2014, 07:54 PM
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Re: Low/No Engine Coolant

Quote:
Originally Posted by Parks311 View Post
And you guessed correctly. It's kind of been a crapshoot there for me the last few years. It's mainly the convenience to home and work that keeps me coming back. Sometimes the experience has been great. Other times not so great.

Who is your preferred dealer in town?
Woodhouse and Baxter. I had an antifreeze leak my dad noticed and I took it into Baxter. They replaced the thermostat housing and then a couple of days later my Jeep had smoke pouring out from under the hood after a short drive and antifreeze sprayed everywhere under the hood. Had a tow truck take it back to Baxter and they replaced the water pump, which they had originally suggested doing the first trip in and should have. Woodhouse has been good except I had to be emphatic to get them to perform a tsb, but they did send a courtesy van with an extra driver and picked up my Jeep from my work and drove it to Blair, had the repair done, and drove it back for me so that was very nice of them and they didn't charge me for that service. The sales guy that sold me the Jeep from Woodhouse had followed up with me after I had it a year and helped facilitate that. I am real happy with the service tech I spoke with at both Woodhouse and Baxter.
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