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Direct shift/Dual Clutch fluids #4517257
09/15/17 04:32 PM
09/15/17 04:32 PM
Joined: Aug 2017
Posts: 286
WY
sloinker Offline OP
sloinker  Offline OP
Joined: Aug 2017
Posts: 286
WY
I now have two new Volkswagen's that have DSG transmissions. With the 40k service interval and fluid prices and types all over the map I'm wondering? I want maximum transmission life. Any thoughts?

Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517280
09/15/17 05:05 PM
09/15/17 05:05 PM
Joined: Aug 2017
Posts: 286
WY
sloinker Offline OP
sloinker  Offline OP
Joined: Aug 2017
Posts: 286
WY
The drivetrain/tranny warranty is 60k, so VW probably is content that their mineral based spec oil is good enough for the warranty life. I on the other hand would just as soon get 100-200k out of the tranny without having to fork over the big money for a new one too soon.

Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517286
09/15/17 05:17 PM
09/15/17 05:17 PM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
I'm not knowledgeable on VW's DSG transmissions but if in doubt OEM is a good safe choice.

I know hyundai for example tests the ATF for markers(to determine if its oem fluid) before doing any transmission repairs.


2019 Jeep Cherokee Trailhawk 2.0T
Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517301
09/15/17 05:36 PM
09/15/17 05:36 PM
Joined: Mar 2008
Posts: 7,305
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,305
USA
Amalie has the best price on DCT fluid. $76.29 for a case of 12 smile

Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517318
09/15/17 06:00 PM
09/15/17 06:00 PM
Joined: Sep 2017
Posts: 56
Outside U.S
Floydian Offline
Floydian  Offline
Joined: Sep 2017
Posts: 56
Outside U.S
DSG fluid should be changed every 60000km or 4 years according to VW.

Re: Direct shift/Dual Clutch fluids [Re: Floydian] #4517325
09/15/17 06:10 PM
09/15/17 06:10 PM
Joined: Aug 2017
Posts: 286
WY
sloinker Offline OP
sloinker  Offline OP
Joined: Aug 2017
Posts: 286
WY
40,000 mile interval according to the maintenance manual with the cars. That's close to 60,000 kilometers I suppose. I will endeavor to be clearer on mileage in future posts.

Any advantage for longevity using a synthetic over a mineral based fluid?

Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517328
09/15/17 06:15 PM
09/15/17 06:15 PM
Joined: Mar 2008
Posts: 7,305
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,305
USA
Originally Posted By: sloinker
40,000 mile interval according to the maintenance manual with the cars. That's close to 60,000 kilometers I suppose. I will endeavor to be clearer on mileage in future posts.

Any advantage for longevity using a synthetic over a mineral based fluid?


Synthetic will probably last longer than a mineral/dino fluid, but I'd still change it at least the recommended 40k, if not more often. DCT tech is still not mature yet, and especially the way they act in regular daily driving in the city, even with brand new fluid.

My suggestion would be to change it at the recommended 40k while under warranty, then annually once the warranty is up. Especially since Amalie DCT fluid is a good price smile

Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517333
09/15/17 06:18 PM
09/15/17 06:18 PM
Joined: Mar 2013
Posts: 5,022
The Midwest
skyactiv Online content
skyactiv  Online Content
Joined: Mar 2013
Posts: 5,022
The Midwest
Originally Posted By: sloinker
The drivetrain/tranny warranty is 60k, so VW probably is content that their mineral based spec oil is good enough for the warranty life. I on the other hand would just as soon get 100-200k out of the tranny without having to fork over the big money for a new one too soon.


Why do you assume it's mineral based?
http://www.pentosin.net/specsheets/Pentosin_FFL-2.pdf

OP, go to ECS tuning for a wide variety of VW parts and an array of different DSG fluids: https://www.ecstuning.com/Volkswagen-Jetta_VI-Sedan-2.0T_Gen3_GLI/Drivetrain/DSG_Transmission/Fluid/


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Wanted: 2019 Ford Ranger
Re: Direct shift/Dual Clutch fluids [Re: slacktide_bitog] #4517337
09/15/17 06:21 PM
09/15/17 06:21 PM
Joined: Mar 2013
Posts: 5,022
The Midwest
skyactiv Online content
skyactiv  Online Content
Joined: Mar 2013
Posts: 5,022
The Midwest
Originally Posted By: slacktide_bitog
Originally Posted By: sloinker
40,000 mile interval according to the maintenance manual with the cars. That's close to 60,000 kilometers I suppose. I will endeavor to be clearer on mileage in future posts.

Any advantage for longevity using a synthetic over a mineral based fluid?


Synthetic will probably last longer than a mineral/dino fluid, but I'd still change it at least the recommended 40k, if not more often. DCT tech is still not mature yet, and especially the way they act in regular daily driving in the city, even with brand new fluid.

My suggestion would be to change it at the recommended 40k while under warranty, then annually once the warranty is up. Especially since Amalie DCT fluid is a good price smile


People shouldn't expect such a transmission to act like a conventional automatic with a torque converter.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Wanted: 2019 Ford Ranger
Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517355
09/15/17 06:47 PM
09/15/17 06:47 PM
Joined: Dec 2011
Posts: 5,088
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 5,088
North Carolina
Factory fluid and filters and at factory 40k intervals will see your DSG last a long time.

The only times I ever really saw issues with them was when fluid changes were neglected.


"Zed's dead baby, Zed's dead."
Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517418
09/15/17 08:11 PM
09/15/17 08:11 PM
Joined: Dec 2014
Posts: 256
Huntington WV
dbias Online content
dbias  Online Content
Joined: Dec 2014
Posts: 256
Huntington WV
Ive always done my own DSG service its not hard. I use the drain/measure/replace method instead of the torturous fill from the bottom factory method.


2011 VW JETTA Castrol Edge 0W-40
2012 FORD TRANSIT CONNECT Castrol Edge 5W-20
2016 HONDA CIVIC COUPE Frankenbrew 0W-20 to 5w-40
2017 AUDI A4 Castrol Edge 0W-40
Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517528
09/15/17 11:25 PM
09/15/17 11:25 PM
Joined: Aug 2017
Posts: 660
MN
14Accent Offline
14Accent  Offline
Joined: Aug 2017
Posts: 660
MN
Stick with Pentosin and use the above method^^^. Happy DSG for years.


2013 Chevrolet Volt - Saves enough in fuel to pay for itself!

2003 Cadillac Seville STS - The winter "beater", it uses the Volt's fuel
Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517535
09/15/17 11:54 PM
09/15/17 11:54 PM
Joined: Mar 2012
Posts: 5,546
Colorado Springs
edyvw Offline
edyvw  Offline
Joined: Mar 2012
Posts: 5,546
Colorado Springs
Get OE fluid (VW) or Pentosin.
Do not experiment with DSG fluid, bad fluid or not changing fluid is No. 1 cause of failure.


15' Toyota Sienna AWD (Mobil1 0W20 EP+ 2qt of M1 0W40 + FRAM Ultra).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: Direct shift/Dual Clutch fluids [Re: sloinker] #4517633
09/16/17 07:07 AM
09/16/17 07:07 AM
Joined: Aug 2010
Posts: 1,108
pa
benjy Offline
benjy  Offline
Joined: Aug 2010
Posts: 1,108
pa
while researching tranny fluids i found out most OE are "synthetic" but the cheaper group III type, actually its just a thinner petroleum product with different additives. most drain + refill changes prolly get 1/3 to 1/2 the fluid so change early + often as trannys especially DSG's are very $$$$!!! i am a 3 pedal guy, no manual trans = no sale to me!!!

Re: Direct shift/Dual Clutch fluids [Re: skyactiv] #4517922
09/16/17 02:07 PM
09/16/17 02:07 PM
Joined: Aug 2017
Posts: 286
WY
sloinker Offline OP
sloinker  Offline OP
Joined: Aug 2017
Posts: 286
WY
Originally Posted By: skyactiv
Originally Posted By: sloinker
The drivetrain/tranny warranty is 60k, so VW probably is content that their mineral based spec oil is good enough for the warranty life. I on the other hand would just as soon get 100-200k out of the tranny without having to fork over the big money for a new one too soon.


Why do you assume it's mineral based?
http://www.pentosin.net/specsheets/Pentosin_FFL-2.pdf

OP, go to ECS tuning for a wide variety of VW parts and an array of different DSG fluids: https://www.ecstuning.com/Volkswagen-Jetta_VI-Sedan-2.0T_Gen3_GLI/Drivetrain/DSG_Transmission/Fluid/

http://www.pentosin.net/specsheets/Pentosin_FFL-2.pdf
Seems to me I found somewhere that the OE fluid is a blend.
Pentosin among others seems like a good choice except where it says not to mix with non-synthetics.
If the OE oil is a blend will it be ok to change to Pentosin knowing there is a percentage of the original oil left after draining?

Last edited by sloinker; 09/16/17 02:19 PM.
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