VW/Audi G052911A2 - what is it? Something lighter?

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ringmaster

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My Audi 6spd manual calls for VW / Audi G052911A2 fluid. When the weather drops below -5C 2nd and 3rd gear syncros are not happy! Does anyone have the specs for this factory fluid? Maybe there is a good alternative for cold weather performance?

http://www.ecstuning.com/ES465417/
 
So now I know it is a 75W-90 which is what I had guessed.

Does anyone have a technical data sheet or VOA for this factory fluid?

Wonder if I could use a 75W-80 like the Redline MTL to improve cold weather shifting?
 
**Update - The Redline app guide shows MTL 75W80 GL-4 Gear Oil as the recommended fill. Any advice re whether or not I should give this a try or if another mfg makes an even better cold weather 75W-80? Still a bit confused about the GL4 and GL5 recommendations.

Originally Posted By: JHZR2
Vw has a spec 75W-90 and a 75W fuel economy fluid.


It looks like the Fuchs Audi approved fluid is actually a GL5.

http://www.fuchs-europe.com/products/lubricants-motors-machinery/gear-oils/gear-oils-passenger0.html

If a GL4 is safe in this 'box maybe I could try the Fuchs?


TITAN SINTOFLUID FE SAE 75W

Premium Performance Manual Transmission Fluid offering increased gearbox efficiency in passenger cars due to low viscosity level. Reduces fuel consumption and offers best properties at low temperature.
 
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***Update/edit #2.

Upon further research it seems like the G052911A2 is most likely a 75W-80 and quite possibly relabeled FUCHS SINTO FLUID 75W80 in which case I probably can't find anything better for sub-zero shifting
frown.gif


Density at 15ºC DIN 51757 0.882 g/ml
Flash Point, CoC DIN ISO 2592 190ºC
Pourpoint DIN ISO 3016 -48ºC
Dynamic Viscosity at -40ºC DIN 51398 37,000 mPas
Kinematic Viscosity at 40ºC DIN 51562-1 49.8 mm²/s
Kinematic Viscosity at 100ºC DIN 51562-1 9.4 mm²/s
 
This is 75W G052512A2. Note it is NOT a 75w-90.

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2031117

We noticed a bit of notchiness in the single digit temps and below, recently... But that signals to me that its time to change, since it has been a few years.

Here is Fuchs Sintofluid 75W, which we will put in the Rabbit when it is warmer... Note this one does hold VW recommendations of: VW TL 521 71 ( 052 171 A1/A2), VW TL 521 78 (G 052 178 A2), VW TL 525 12 (G 052 512 A2), VW TL 726 (G 052 725 A2/G 055 726 A2/G 060 726 A2/G 070 726 A2)

617A4B37-E96B-4D9E-8755-B3C3D26FE4E4_zpsguheivpy.jpg


Here is Fuchs Sintopoid 75w-90, which is supposedly spec for Saab MTF 0063, and also suited for BMW non-LSD differentials as an alternate to Castrol XO/XJ. Fuchs recommends this (not approved apparently) for: VW TL 521 45-Y (G 052 145 A2)

B7ACAA9D-F018-4B41-B446-9F2512B47547_zpsokn0cmru.jpg


Here is Pentosin FFL 3, which is also BMW MTF-5 per the ZF documentation. This will go in the 135i MT. It carries Porsche approval and is listed on ZF TE-ML 11.

61ED5551-6713-446A-BECF-79E60541B9B9_zpsg3lhq1su.jpg


I plan on doing VOAs of all these shortly.
 
Great photos and info JHZR2. The only thing missing is the VW/Audi G052911A2 which I believe is different than the fluids you posted above.

If you Google G052911A2 many results show FUCHS SINTO FLUID 75W80 as the alternative and I can't find any reference to G052911A2 being a 75W-90. Also, both the Redline Oil and the Fuchs online vehicle app guides list 75W-80 is the recommended weight for a 2012 S4 6spd manual.
 
I know. As I was typing all those specs I got a sinking feeling as I didn't see yours.
frown.gif


Still, I suspect that if you need something that shifts a little easier, the 75W fluid may do the trick (Id look at the cold flow characteristics of the 75W the 75w-80 and the 75w-90 online to verify), since it does meet a lot of VW recommendations...

In my 318i specified for Dex II, Ive run Amsoil MTF 5w-30 for years and have been very pleased. Redline didn't maintain shift feel quality the way the Amsoil has.
 
The spec is 75W-90 but most VW/Audi OEM fluids are THIN. Most of the OEM fluids are 75W.

If you have a FWD car, just pick a 75W or 75W-80 and not worry. Pentosin "should" be thinner than the Fuchs.
 
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JHZR2 - at least we are on the same page
wink.gif


Assuming that the VW/Audi G052911A2 is FUCHS SINTO FLUID 75W80 with these specs:

Density at 15ºC DIN 51757 0.882 g/ml
Flash Point, CoC DIN ISO 2592 190ºC
Pourpoint DIN ISO 3016 -48ºC
Dynamic Viscosity at -40ºC DIN 51398 37,000 mPas
Kinematic Viscosity at 40ºC DIN 51562-1 49.8 mm²/s
Kinematic Viscosity at 100ºC DIN 51562-1 9.4 mm²/s

How big of a dice roll am I taking with transmission longevity switching to the lighter Fuchs TITAN SINTOFLUID FE SAE 75W?

Density at 15ºC DIN 51757 0.877 g/ml
Flash Point, CoC DIN ISO 2592 221ºC
Pour Point DIN ISO 3016 -44ºC
Foaming Tendency Seq. I/II ASTM D 892 20/0 ; 30/0 ml
Dynamic Viscosity at - 40ºC DIN 51398 75,000 mPas
Kinematic Viscosity at 40ºC DIN 51562-1 40.8 mm2/s
Kinematic Viscosity at 100ºC DIN 51562-1 6.7 mm2/s


Is it possible that the FE 75W is thicker at -40C than the 75W-80???

Dynamic Viscosity at -40ºC DIN 51398 37,000 mPas

vs

Dynamic Viscosity at - 40ºC DIN 51398 75,000 mPas
 
Originally Posted By: badtlc
The spec is 75W-90 but most VW/Audi OEM fluids are THIN. Most of the OEM fluids are 75W.

If you have a FWD car, just pick a 75W or 75W-80 and not worry. Pentosin "should" be thinner than the Fuchs.


My transmission has fresh G052911A2 with ~2000 miles on it so I only want to change if the new fluid is more or less guaranteed to improve the cold weather shifting.
 
Originally Posted By: ringmaster
Originally Posted By: badtlc
The spec is 75W-90 but most VW/Audi OEM fluids are THIN. Most of the OEM fluids are 75W.

If you have a FWD car, just pick a 75W or 75W-80 and not worry. Pentosin "should" be thinner than the Fuchs.


My transmission has fresh G052911A2 with ~2000 miles on it so I only want to change if the new fluid is more or less guaranteed to improve the cold weather shifting.


There are no guarantees.
 
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