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Any vehicle/coolant antifreeze in Fiat w/ purple OAT? #5313138 01/04/20 01:07 PM
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dvancleve Offline OP
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Howdy folks.

I have a Fiat 500e that uses purple OAT coolant for the batter and heater, and both tanks are at the min. line. I have some FVP 50-50 any make/any coolant antifreeze (https://www.fvpparts.com/application/files/2015/5422/7581/50_50_Prediluted_Multi_Vehicle.pdf), it’s kind of a yellowish color. Any reason I shouldn’t top off to the max line with this stuff? I hate to buy a gallon of the purple to use a cup or two of it…

Thanks, Doug


1962 & 1968 VW sunroof Bugs
2007 Subaru OBXT Ltd. 5MT, ~75K mi
2013 Chevy Volt, ~130K mi
2013 VW Beetle 2.0 gas turbo convertible, ~36K mi
Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5313154 01/04/20 01:28 PM
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RamFan Offline
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Stick to OE.


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16.5 CX-5 Touring AWD
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Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: RamFan] #5313171 01/04/20 01:50 PM
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Originally Posted by RamFan
Stick to OE.


Amen.


'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
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Shell Gas and Truck 5W-30
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Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5313232 01/04/20 02:59 PM
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Sayjac Offline
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There's not much information on the FVP AF, but if I had to speculate, a universal Dexclone. I wouldn't add it. Before I'd do that, for a cup or two, I'd top up with some distilled water.

Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5313241 01/04/20 03:05 PM
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sloinker Offline
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Buy a jug of Purple premix at the dealer. Failure to adhere to this may well turn your coolant into jello. Tap water is fine in small doses.


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'15 VW Golf TDI Ravenol VMP 5W30
'15 VW Golf Sportwagen TDI VMP 5W30
'14 Dodge Grand Caravan 3.6 Red Line Blue Label 5W20
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Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5313301 01/04/20 04:30 PM
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Oro_O Offline
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If it is indeed OAT, I'd use the new Peak 10X. I'm replacing my Honda and Toyota fluids with it.

Discussions of it here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/5230145/peak-has-a-new-antifreeze


and here:

https://www.bobistheoilguy.com/foru...e-this-peak-in-uh-everything#Post5305645

Originally Posted by Sayjac
There's not much information on the FVP AF, but if I had to speculate, a universal Dexclone. I wouldn't add it. Before I'd do that, for a cup or two, I'd top up with some distilled water.


Agree completely.

Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: sloinker] #5313312 01/04/20 04:40 PM
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Jake_J Offline
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You'll be perfectly fine adding that FVP Multi-Vehicle coolant into your Fiat 500E. The FIAT came with the purple Chrysler OAT coolant which is essentially Dexcool with a different dye, the FVP Multi-Vehicle is just another OAT dexclone dyed yellow. If you add it to the Chrysler OAT nothing will happen, your coolant will stay purple because the universal coolants are dyed yellow to not change the factory coolant colour even if it is different. And before somebody barges in and says the Chrysler OAT has no evil 2eha, to that I say the FIAT was designed in Italy to run on a G30 type coolant (Paraflu UP) which is also known as Dexcool with 2eha included.


Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: Sayjac] #5313398 01/04/20 06:37 PM
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Originally Posted by Jake_J
And before somebody barges in and says the Chrysler OAT has no evil 2eha, to that I say the FIAT was designed in Italy to run on a G30 type coolant (Paraflu UP) which is also known as Dexcool with 2eha included.


Pretty sure that's not correct. My Alfa came with Paraflu UP from the factory and the SDS makes no mention of 2EHA.


18 Giulia Ti Sport Q4
  • 2.0T I4 - 22k - PP Euro LX 0w30 - PureOne - 10k/1yr

16.5 CX-5 Touring AWD
  • 2.5L I4 - 67k - Castrol Edge EP 0w20 - Denso - 7.5k/1yr
Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5313660 01/05/20 06:35 AM
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dlundblad Offline
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Stick with OE coolant as there isn’t an exact aftermarket match. Many many close formulations, but not exact.

If you need to make a quick top off, add some distilled. Maybe 1-2” above the add marks.


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: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: Sayjac] #5313675 01/05/20 07:16 AM
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Sayjac Offline
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Preface by saying, I don't own an FCA vehicle but my advice as above be the same either way. I would not run DexCool or a universal Dexclone using 2eha as inhibitor in it's formula. That would include FVP if it is a Dexclone using 2eha.

When FCA switched to the OAT AF in 2013, an SAE paper on the then new Mopar AF OAT was published and has been oft posted this subforum. Unfortunately now to read it all, one must subscribe. However a preview of article still available linked*, and if interested subscription free for 30 days. A relevant except from the paper has been saved on this subforum;

"Neither Chrysler nor Fiat has released the complete composition formula for their antifreezes. They reportedly are cocktails of three organic acids, featuring sebacate, but no 2-ethylhexanoate (2-EHA). The latter is a cost-effective but controversial additive that softens plastics, particularly silicone, leading to leaks from affected sealing materials, which means that silicone cannot be used in gaskets, O-rings, and hoses if the antifreeze contains 2-EHA." Two different Motor Mag articles over the years on 2eha in AF basically said similar.

Of course what others choose to do with their vehicle, their call.

https://www.scribd.com/document/375...T-Antifreeze-for-Longer-Service-Interval

Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5314309 01/05/20 10:05 PM
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dvancleve Offline OP
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Thanks folks!

I am in Chandler AZ, where it rarely hits freezing. I’m thinking I should fill to the max line with distilled water and call it good. If it gets below that again, maybe I need to head over to a Chrysler or Fiat dealer and get a jug of the purple 50/50…

Doig


1962 & 1968 VW sunroof Bugs
2007 Subaru OBXT Ltd. 5MT, ~75K mi
2013 Chevy Volt, ~130K mi
2013 VW Beetle 2.0 gas turbo convertible, ~36K mi
Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5314995 01/06/20 03:58 PM
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dvancleve Offline OP
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Originally Posted by dvancleve
Thanks folks!

I am in Chandler AZ, where it rarely hits freezing. I’m thinking I should fill to the max line with distilled water and call it good. If it gets below that again, maybe I need to head over to a Chrysler or Fiat dealer and get a jug of the purple 50/50…

Doug

Well the FVP has 2-EHA in it (https://www.fvpparts.com/application/files/7915/4457/5504/FVPMV50-50-GAL.pdf) so the conservative choice is not to use it, yes? Does mean it shouldn’t be used in anything? I already topped off an ‘07 Subaru and ‘13 VW with it eek

Thanks again, Doug

Last edited by dvancleve; 01/06/20 04:02 PM.

1962 & 1968 VW sunroof Bugs
2007 Subaru OBXT Ltd. 5MT, ~75K mi
2013 Chevy Volt, ~130K mi
2013 VW Beetle 2.0 gas turbo convertible, ~36K mi
Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5315618 01/07/20 08:55 AM
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FordCapriDriver Offline
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Originally Posted by dvancleve
Originally Posted by dvancleve
Thanks folks!

I am in Chandler AZ, where it rarely hits freezing. I’m thinking I should fill to the max line with distilled water and call it good. If it gets below that again, maybe I need to head over to a Chrysler or Fiat dealer and get a jug of the purple 50/50…

Doug

Well the FVP has 2-EHA in it (https://www.fvpparts.com/application/files/7915/4457/5504/FVPMV50-50-GAL.pdf) so the conservative choice is not to use it, yes? Does mean it shouldn’t be used in anything? I already topped off an ‘07 Subaru and ‘13 VW with it eek

Thanks again, Doug


Well, as far as i know, neither Subaru's or VW's OEM coolants use 2-Eha so if you only topped off a small amount it's probably ok but i wouldn't do the same again if necessary.


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Repsol Elite Super 20W-50

Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: FordCapriDriver] #5316090 01/07/20 07:02 PM
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VW has been using coolants with 2-eha since 1996, when G12 coolant was introduced on the MY 97 vehicles. A '13 VW would come with G13 coolant which has 2-eha, so your gaskets are safe.

http://www.worldpac.com/tagged/ANTIFREEZE_G013_A8JM1.pdf

Subaru doesn't discloses if they use 2-eha, but it is assumed that being a typical Japanese P-OAT they use sebacate instead of 2-eha. Sebacate just like 2-eha is also a plasticizer, so again ypur gaskets are safe unless you think the factory coolant is eating they away right now.

Quote
Sebacic acid and its derivatives such as azelaic acid have a variety of industrial uses as plasticizers, lubricants, hydraulic fluids, cosmetics, candles, etc. It is used in the synthesis of polyamide and alkyd resins


Quote
10.2.1Industry Uses

Adhesives and sealant chemicals

Corrosion inhibitors and anti-scaling agents

Intermediates

Ion exchange agents

Lubricants and lubricant additives

Paint additives and coating additives not described by other categories

Plasticizers

Process regulators

Reactant

Surface active agents


https://pubchem.ncbi.nlm.nih.gov/compound/sebacate

The irrational fear of 2-eha is linked to the introduction of Dexcool in MY '96 GM vehicles, and the problems they where having around the time with failing intake manifold gaskets on the revised Buick 3800 V6 engines. GM had started using revised plastic intake manifold gaskets on the 3800 that failed at a high rate right around the time they switched to Dexcool, and everybody attributed these problems to the new coolant and it's new organic acid corrosion inhibitor 2-eha. In fact the new plastic gaskets failed regardless of what coolant was used, as some of the new 3800 engines left the factory with the old green IAT (2-eha free) coolant and suffered the same problems. GM revised the gaskets, and the problems largely went away, however for many people Dexcool and 2-eha are still linked the 3800 leaking gaskets. GM's then heavy use of the now largely obsolete iron engine blocks (which rust when run low on coolant) and wet type intake manifold gaskets (which can leak coolant), as well as quality control issues with radiator/coolant reservoir caps also unfairly tarnished the reputation of Dexcool and 2-eha.

Re: Any vehicle/coolant antifreeze in Fiat w/ purple OAT? [Re: dvancleve] #5317361 01/09/20 04:48 AM
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FordCapriDriver Offline
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Yes most Organic acids are plasticisers to x degree
However Sebacate is far less aggressive than 2-Eha,
2-Eha also has the problem of being aggressive towards Solder, which Sebacate doesn't have.


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Repsol Elite Super 20W-50

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