
Thread: What brand of coolant do you use on your A4 B8?
12-11-2015 04:42 PM#1
What brand of coolant do you use on your A4 B8?
Hey everyone,
My coolant level is low and has been low for some time and I was thinking of heading to the dealer to get it topped off, but figured I should look to see what brand you guys were using, if any, from your local auto parts store.
I'm thinking of going over to AutoZone to check them out, but thought I'd post here. I did find this thread in AudiWorld when performing my search, but it doesn't really delve into aftermarket brands you can find at a local auto parts store.
Looking forward to your suggestions. Thanks!
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-11-2015 05:14 PM#2
Doesn't help your aftermarket brand search, but I ordered G13 from ECS when I changed my turbo. I knew I needed it, but didn't feel like driving to the dealer, so I ordered it. Curious to see what other members suggest.
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12-11-2015 05:18 PM#3
I use g12(++?) Or is it G13 now?
12-11-2015 05:27 PM#4
I do believe G13 is the new standard, according to ECS tuning. But I'm wondering whether there's an aftermarket equivalent available at a local auto parts store.
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-11-2015 05:30 PM#5
Pentosin Pentafrost. Literally the same stuff at OEM. (Pentosin makes the OEM coolant) Available at basically any parts store. But to be honest, it's not that much cheaper than the dealer.
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12-11-2015 05:38 PM#6
I just bought a gallon of G13 at the dealer for $20.
12-11-2015 05:38 PM#7
And yes...... G13
Is the new standard
12-11-2015 05:52 PM#8
What brand of coolant do you use on your A4 B8?

$9.25 for 1.5 liters at rmeuropean. Site has great prices and a lot of options for our car.
Last edited by blbroo; 12-11-2015 at 07:24 PM.
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12-11-2015 07:21 PM#9
Thank you for your responses.
After further research on the Pentosin brand, I came across two Pentosin products that can be used on our B8's (and any Audi 2006+)
Pentafrost E - (Violet) This one is the latest Pentosin product that can be used in our B8's.
http://www.pentosin.net/specsheets/Pentofrost_E.pdf
Pentafrost++ - (Pink) This can also be used but has been replaced with Pentosin E.
http://www.pentosin.net/specsheets/Pentofrost_++.pdf
Both can be found at your local auto parts. I found both of these for under $15 online and in stock, so I'm planning on driving over and picking one up.
I had called the dealer before 6pm, which is when they close) and asked for a quote and they quoted me $30 but didn't mention the size. I imagine it's for a gallon. Since I only need to top off, i plan on simply buying the 1.5 Liter container for under $15. The parts associate said that I wouldn't need to dilute with water if I was simply topping off.
What do you guys think?
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-11-2015 07:22 PM#10
If you go dealer coolant, you can knock a few bucks off by getting it at VW. Why is your coolant low?
12-11-2015 07:24 PM#11


If you go dealer coolant, you can knock a few bucks off by getting it at VW. Why is your coolant low?

Last edited by doowopaudi; 12-11-2015 at 08:34 PM.
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-11-2015 07:26 PM#12


It's just under the "Min" mark and I read that it naturally evaporates over time, so I imagine that is why. I guess I should check for leaks, but I don't think I have any.
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12-11-2015 07:51 PM#13


Fixed.

Last edited by doowopaudi; 12-11-2015 at 08:44 PM.
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-11-2015 11:02 PM#14
There are a variety of options as multiple people have posted for *replacing* the coolant in the engine during a drain/fill.
If you're topping off - I would use only the OEM fluid or distilled water. I don't have a great reason for this except then you're guaranteed to have no problems and a single bottle is not very expensive.
If you stay out of the mountains I imagine you can get away with significantly more DI in your coolant system being in California - so you could just fill up with DI water and not buy any coolant.
Default 50/50 mix is good to -37C, and the back of the bottle says 40/60 G13/Water is good to -24C (-11F)
Another interesting page:
http://www.cabby-info.com/cooling.htm
12-12-2015 07:24 AM#15




Fixed.

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12-12-2015 10:06 AM#16
Prestone "any make, any model", $8 at Walmart. Been using it for over 15 years in all my VAG cars.
12-12-2015 10:08 AM#17
OP, look under your intake manifold, the leak is probably coming your water pump assembly.
12-12-2015 12:37 PM#18
I use whatever Audi uses lol.
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12-12-2015 04:39 PM#19
Just remember there's some coolants you can't mix with the OEM.
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12-12-2015 07:16 PM#20


Curious to know how, since it's a closed system kept under pressure.
See post #14.
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-12-2015 07:19 PM#21
Pentosin G12 Coolant For Aluminum Engines (1.5 Liter) https://www.amazon.com/dp/B001GRNS6Y..._9noBwbA42A819
This is what i plan on ordering to top off my reservoir.
2010 B8 2.0T 6spd K04 + [HPA Motorsport, Rays, APR, Eisenmann, Bastuck, Eurocode, KW, OSIR, StopTech, ArmaSpeed]
12-12-2015 07:21 PM#22
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-14-2015 12:42 AM#23

http://www.hstuning.com/product_info...oducts_id=3709
Is it equivalent to G12 or G12+. Concentrated so all you do is add distilled water to get to the ratio you need. There is a G13 equivalent also made by Motul but I haven't found it yet stateside.
12-14-2015 04:51 AM#24
If you were just topping off you could of saved yourself the headache and just used distilled water. 1 gallon is typically under $1.00.
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12-14-2015 05:24 AM#25
I know the manual does not call for a coolant flush, but are any of you all completing this and if so what interval? I would imagine it would be good practice but did not see much when I searched.
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12-14-2015 08:31 AM#26


Prestone "any make, any model", $8 at Walmart. Been using it for over 15 years in all my VAG cars.


If you were just topping off you could of saved yourself the headache and just used distilled water. 1 gallon is typically under $1.00.
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12-14-2015 08:45 AM#27


If you were just topping off you could of saved yourself the headache and just used distilled water. 1 gallon is typically under $1.00.
Oh well, at least I didnt blow $30+ on a 5 liters of that stuff.
Thanks for the input, nonetheless.
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-14-2015 08:48 AM#28
I just noticed I'm at the low coolant mark so I ordered 1.5L of Pentosin 8113106 Pentofrost E Multipurpose Antifreeze Concentrate which I assume I need to dilute 1:1 in distilled water.
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12-14-2015 08:50 AM#29


I just noticed I'm at the low coolant mark so I ordered 1.5L of Pentosin 8113106 Pentofrost E Multipurpose Antifreeze Concentrate which I assume I need to dilute 1:1 in distilled water.

::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-14-2015 08:55 AM#30



Click: B8 Quartz Grey Metallic A4 2.0T quattro | 18" Peelers et35| APR stage 1 | aFe | eurocode | H&R | 3.0 TDI FMIC | PowerStop | PODI
Sold: B5 Silver A4 1.8T Quattro 5MT GIAC KO4 | B5 Santorin Blue A4 2.8 Quattro 5MT | B6 Caribic Blue A4 3.0 cabrio
12-14-2015 08:58 AM#31
Ah ok. Then do what I did. Top off with the pentafrost e. Dealer told me there was no need to mix for top offs. Try giving your dealer a call and see what they say.
::2010 A4 Premium+ Quattro::6SMT::Meteor Gray Pearl Effect::35% 3M tint all around::Vag mods::debadged::RS4 replica grille w/ fog grilles::LED interior lights and lic. plate lights::ST Coilovers::19x9 OEM A5 Peelers::245/35/19 Achilles ATR Sport::Underseat Storage Bins::Zubehor Diffuser::Door Handle storage bins::LED reverse Lights::
Former: 2008 A4 S-line::2007 Mazdaspeed3::1991 VW Cabriolet
12-14-2015 11:12 AM#32
My local Advance Auto Parts has quite an array of Pentosin products now.
NAPA also sells Pentosin but a lot of times they don't know it...
12-14-2015 11:19 AM#33
i've always used OEM coolant ever since I read that certain coolants could possibly harm rubber seals, gaskets, etc. IMO, it wasn't worth my time to research and figure out which off name brands would work.
I typically check on the fluids here and there so I've never had to "run to the store" in an emergency to get the car up to levels.
I think we're talking a $20-$30 for a container of OEM VAG coolant?
12-14-2015 11:39 AM#34


IDK man, water boils at just over my coolant operating temp, also it can get below freezing here in the winter. Why not just do a 50-50 ratio?
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12-15-2015 05:56 AM#35
Yup....gotta be careful when mixing coolants. I have been told by a few mechanics that if you mix coolants together they can seize. I felt it best to stick with OEM for top offs but if I was going to do a full coolant flush....you could use any of the above mentioned. Adding distilled water is fine provided that you're not in deep freeze temps.
You should check your water pump for leaks (Known issue)....I had three water pumps on my 2009 A4. From 2009-2011, seemed like everyone who had a drop in coolant level had a pump replacement.
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04-13-2017 04:04 PM#36



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06-29-2017 09:03 AM#37
Bringing this back. Anyone have a process or tips on completing a coolant flush and the refill process to remove air from the system?
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06-29-2017 09:25 AM#38
You can just drain the coolant from the lower drain on the drivers side and then re-fill with fresh coolant from the tank after closing the drain. That's what I did. Probably not complete but got fresh stuff in there.
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06-29-2017 09:59 AM#39


mines on the same level. can i just pour g13 in there?
06-29-2017 10:03 AM#40


sure can.
i have a gallon of G13 and i dont feel like running to the store and getting a gallon of distilled water
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2014 Audi A4 Quattro - Antifreeze - Vehicle Specific
Your engine coolant, also called antifreeze, serves several purposes. First, it is circulated throughout the engine to the radiator to keep your engine at a stable operating temperature. Low coolant levels can lead to overheating, which can damage your engine. Second, antifreeze has a lower freezing point than water, which keeps it in a fluid state during cold weather. Coolant also keeps corrosion down inside the engine that may be caused by water. If you notice a coolant leak, it should be taken care of as soon as possible to avoid damage to your engine. You may notice your temperature gauge reading higher than usual, your heater may stop working, or you also notice steam under your hood. When you need coolant, visit O'Reilly Auto Parts for the right coolant for your vehicle. We carry a variety of coolant made for your car, truck, or SUV.
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