Changing gear set oil?

Tiny
DIVIDES
  • MEMBER
  • 2015 PORSCHE MACAN
  • 3.0L
  • 6 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 136,000 MILES
Can you tel me what is a gear set oil? Saw few people change it. It is not the PDK fluid, but something that is on the front of the transmission that is called gear set oil
Wednesday, December 17th, 2025 AT 3:26 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,881 POSTS
Great question, this one confuses a lot of people on the Macan, and you’re absolutely right: it is NOT the PDK fluid.

The gear set oil is

Front transfer case / PTM (Porsche Traction Management) gear oil

They say it is lifetime oil, but if you love your car I would change it out.

Fluid type: Porsche-approved gear oil (often 75W-90 spec)
Capacity: 0.8-1.0 liters

If you need help with the service let me know and I will give you instructions. Ken
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Thursday, December 18th, 2025 AT 1:25 PM
Tiny
DIVIDES
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I see. But there is a guy who changed all 3, transfer case, ODK and gear set, and it's not the transfer case per se but a part of the transmission that is up front of the PDK pan
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Thursday, December 18th, 2025 AT 1:34 PM
Tiny
KEN L
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  • 54,881 POSTS
Yep, this phrase is used to service the drivetrain, what ever that entails.
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Friday, December 19th, 2025 AT 10:33 AM

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