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Mopar OAT alternatives? #5243628 10/18/19 05:57 PM
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WillB Offline OP
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2016 Jeep JKU 3.6 - when I get the cooling system flushed, is there something besides Mopar OAT that can be used that meets Chrysler specs?


Thanks,

Will

2016 Jeep Sahara JKU
2017 Ram 1500 Crew Cab 4x4 Hemi 5.7 6 Speed Auto - Traded.
2011 GMC 1500 CC 4WD 4.8 - Traded.

04 GMC 1500CC Z71 350,000km 217,000 miles - Retired.
Re: Mopar OAT alternatives? [Re: WillB] #5243646 10/18/19 06:28 PM
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Saul Offline
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.

Last edited by Saul; 10/18/19 06:35 PM.
Re: Mopar OAT alternatives? [Re: WillB] #5243674 10/18/19 07:08 PM
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The_Nuke Offline
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As long as the cooling system is completely flushed of all vestiges of previous coolant, you can technically go with any kind/brand you want. But if you want to stick with the OAT formula and prefer something that’s easier to find and less expensive over harder to find and more expensive, go with Prestone’s Dexcool offering.

It’s readily available at any Walmart and quite affordable. It’s also an OAT formula, although not exactly the same as the Mopar version.

Nevertheless, you will be just fine with it going forward, assuming you keep it changed out at the proper service interval.


2012 Charger Pursuit aka "The Bacon Hauler"
- 5.7L + NAG1 (A5) + 2.65 (215mm)
Re: Mopar OAT alternatives? [Re: WillB] #5243728 10/18/19 08:20 PM
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cos Offline
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The_Nuke,

Are you recommending Prestone Dex-Cool or Prestone Cor-Guard?


'15 Cadillac SRX
- Castrol Magnatec 5W30
- Valvoline Maxlife ATF





Re: Mopar OAT alternatives? [Re: WillB] #5243749 10/18/19 08:49 PM
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WillB Offline OP
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Thanks. Let’s remove OAT from the equation, what would you recommend? Dont want to have to flush every other year.


Thanks,

Will

2016 Jeep Sahara JKU
2017 Ram 1500 Crew Cab 4x4 Hemi 5.7 6 Speed Auto - Traded.
2011 GMC 1500 CC 4WD 4.8 - Traded.

04 GMC 1500CC Z71 350,000km 217,000 miles - Retired.
Re: Mopar OAT alternatives? [Re: WillB] #5243779 10/18/19 10:02 PM
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zrxkawboy Offline
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The Chrysler coolant is good for 10 years. Why would you be flushing it already?


"Think of all the Ford owners who will someday want an automobile." John Dodge

Re: Mopar OAT alternatives? [Re: zrxkawboy] #5243824 10/19/19 12:51 AM
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FordCapriDriver Offline
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Originally Posted by zrxkawboy
The Chrysler coolant is good for 10 years. Why would you be flushing it already?

+1


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Shell Rimula R4X 15W-40 HDEO

Re: Mopar OAT alternatives? [Re: WillB] #5243826 10/19/19 12:57 AM
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forged Offline
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Zerex G-05 by Valvoline is a HOAT that I use in my Mopar built VW Routan. I am 99.44% sure it is fully compatible with the original pink coolant. It is available at the 'Zone.

Re: Mopar OAT alternatives? [Re: FordCapriDriver] #5243840 10/19/19 02:56 AM
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demarpaint Offline
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Originally Posted by FordCapriDriver
Originally Posted by zrxkawboy
The Chrysler coolant is good for 10 years. Why would you be flushing it already?

+1

+2 This is one of those cases where I would stick with Chrysler OAT coolant when the time comes to service the cooling system in my 2016 Rubicon. I read enough horror stories about people using the wrong coolant.


God Bless Our Troops

Re: Mopar OAT alternatives? [Re: forged] #5243843 10/19/19 03:08 AM
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demarpaint Offline
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Originally Posted by forged
Zerex G-05 by Valvoline is a HOAT that I use in my Mopar built VW Routan. I am 99.44% sure it is fully compatible with the original pink coolant. It is available at the 'Zone.

The OPs cooling system calls for OAT coolant. Mixing G-05 with OAT is a formula for disaster. G-05 is HOAT they will not mix w/o causing a problem. Even if you flush the cooling system, if there is a little of the HOAT remaining it will cause problems, in fact Chrysler has issued TSB's warning their techs about this. During the PBI prior to delivery of the vehicles, even topping off the coolant overflow tank with a small amount OAT when a vehicle called for HOAT, or vice versa causes problems. We've had this discussion prior, it ended in a locked thread my warning is valid.

TSB - 07-004-12 REV. A
SUBJECT:
Attention! Release Of New Engine Coolant Organic Additive Technology (OAT)
MODELS:
2013 (D2) Ram Truck (3500 Pick Up)
2013 (DD) Ram Truck (3500 Chassis Cab)
2013 (DJ) Ram Truck (2500 Pick Up)
2013 (DP) Ram Truck (4500 / 5500 Chassis Cab)
2013 (DX) Ram Truck (Mexico)
2013 (DS) Ram Truck (1500)
2013 (FF) Fiat 500
2013 (JC) Journey
2013 (JK) Wrangler
2013 (JS) Avenger/200
2013 (LC) Challenger
2013 (LD) Charger
2013 (LX) 300
2013 (MK) Compass/Patriot
2013 (PF) Dart
2013 (RT) Town & Country/Grand Caravan
2013 (WD) Durango
2013 (WK) Grand Cherokee
2013 (ZD) Viper
NOTE: This bulletins applies to all vehicle listed above for every engine application
EXCEPT the 2013 MK equipped with the 2.2L Diesel engine (sales code ENE)
and the JC vehicle equipped with the 2.0L Diesel engine (sales code EBT).
NUMBER:
07-004-12 REV. A

GROUP:
Cooling

DISCUSSION:
Chrysler Corporation LLC. has released a new engine coolant for the 2013 model year
vehicles and beyond, for all engine applications except the ones listed in the note above.
This new coolant is an Organic Additive Technology (OAT) (
Fig. 1). OAT coolants have a
service interval of 10 years or 150,000 miles. For heavy duty truck and extreme duty cycle
applications refer to the Service Information or Owner's Manual for proper maintenance
schedules.

CAUTION: Vehicle Damage may occur if dissimilar coolants are mixed!
Coolants of different technologies are not compatible nor interchangeable (OAT, HOAT or
IAT).
Mixing these coolants could result in:
• accelerated corrosion within the engine and cooling systems.
• the coolant having an ammonia smell.
• debris (particles) floating in the coolant.
Further inspection by the technician may find corrosion in the system. This could show up
as aluminum pipes turning black in the coolant system, engine overheat, or leaks in the
coolant system.
NOTE: If OAT (MOPAR P/N 68163848AA Purple) has been Mixed with HOAT (MOPAR
P/N 68048953AB Pink Or Factory Fill HOAT Orange (
Fig. 2) or (Fig. 3)) or any
other coolants have been mixed, it will be necessary to flush the cooling

system.


God Bless Our Troops

Re: Mopar OAT alternatives? [Re: cos] #5243876 10/19/19 05:10 AM
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dlundblad Offline
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Originally Posted by cos
The_Nuke,

Are you recommending Prestone Dex-Cool or Prestone Cor-Guard?


They are similar, but not the same.

OP, stick with the Chrysler stuff.

Last edited by dlundblad; 10/19/19 05:11 AM.

03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 195k M1 0w40 Mahle OX149D
97 Chvy Blazer 4.3 158k M1 EP 10w30 Supertech ST3980

Re: Mopar OAT alternatives? [Re: dlundblad] #5243888 10/19/19 05:34 AM
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demarpaint Offline
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Originally Posted by dlundblad

OP, stick with the Chrysler stuff.

That is great advice. It can be had in full strength concentrate for about $20-$25, or possibly less with a little savvy shopping.


God Bless Our Troops

Re: Mopar OAT alternatives? [Re: demarpaint] #5243968 10/19/19 07:35 AM
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RamFan Offline
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Originally Posted by demarpaint
Originally Posted by FordCapriDriver
Originally Posted by zrxkawboy
The Chrysler coolant is good for 10 years. Why would you be flushing it already?

+1

+2 This is one of those cases where I would stick with Chrysler OAT coolant when the time comes to service the cooling system in my 2016 Rubicon.

+4, this is a rabbit hole you don't want to go down. Stick with the OE fluid.


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Re: Mopar OAT alternatives? [Re: zrxkawboy] #5244073 10/19/19 09:38 AM
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WillB Offline OP
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Originally Posted by zrxkawboy
The Chrysler coolant is good for 10 years. Why would you be flushing it already?

Originally Posted by zrxkawboy
The Chrysler coolant is good for 10 years. Why would you be flushing it already?

10 years or 240,000km - I NEVER max any fluid out on mileage. I am st 96,000 km now.

Mopar 50/50 is $23 up here, $44 for pure. I will stay oem until I get it flushed, then it will get whstever my local shop uses.

Last edited by WillB; 10/19/19 09:52 AM.

Thanks,

Will

2016 Jeep Sahara JKU
2017 Ram 1500 Crew Cab 4x4 Hemi 5.7 6 Speed Auto - Traded.
2011 GMC 1500 CC 4WD 4.8 - Traded.

04 GMC 1500CC Z71 350,000km 217,000 miles - Retired.
Re: Mopar OAT alternatives? [Re: WillB] #5244078 10/19/19 09:42 AM
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Warstud Offline
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