Manual transmission oil

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Apr 16, 2025 | 02:57 PM

#16

pfan

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Joined: Jan 2013

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From: SoCal

Quote:

Originally Posted by kcsgator

I just changed mine out on my 2013 C2S. It is the first drain and fill since new and the car has 37k miles. I went with 75W90 Fully Synthetic Hypoid Gear Oil (1 Liter) - Liqui Moly LM22090 from FCP Euro. The 1-2 shift is MUCH better now. Will see how it goes over the next months but pretty happy so far!

Debating whether to change it myself or go with an Indy. Do normal jacks / jackstands provide enough height, or is a Quickjack required?

Apr 16, 2025 | 02:58 PM

#17

idlook2

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Joined: Feb 2014

Posts: 304

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From: Iowa

Quote:

Originally Posted by pfan

I've found a couple of places that carry the 1 liter bottles. Sunset, and Porsche Silver Spring. Part # is 000-043-305-49, which I assume is the same item in the 1 liter size.

Take a look at the compatibility for the 1 liter bottles. It only goes through the 997 generation, which is totally different than the compatibility for the 20 liter bottles. I have no data indicating this is the same oil in different sized containers. I asked the dealer this same question and they stated the 1 liter bottles are not listed as compatible.

Apr 16, 2025 | 04:32 PM

#18

kcsgator

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Joined: Dec 2021

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From: Orlando, Fl

Quote:

Originally Posted by pfan

Debating whether to change it myself or go with an Indy. Do normal jacks / jackstands provide enough height, or is a Quickjack required?

The issue with quickjack is removing the under tray. The tray interferes with the quickjack jacking points. It takes a few up and downs to release the screws and then the tray. I suppose normal jacks could work but bear in mind that I believe Porsche requires the car to be level when draining the transmission fluid. And you will need some type of pump to refill. I used a Slippery Pete

pump

which worked very well.

Last edited by kcsgator; Apr 16, 2025 at 04:36 PM.

Nov 9, 2025 | 09:18 PM

#19

AdamSanta85

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Joined: Feb 2019

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From: Long Island, NY

2018 Carrera T with the mechanical LSD

1. Is there a separate drain and fill location for the diff?
2. Do I need friction modifier?
3. How much do I need?

Thinking about switching to Motul Gear 300

Nov 9, 2025 | 11:57 PM

#20

Tier1Terrier

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Joined: Mar 2014

Posts: 2,149

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From: South FL

Quote:

Originally Posted by AdamSanta85

2018 Carrera T with the mechanical LSD

1. Is there a separate drain and fill location for the diff?
2. Do I need friction modifier?
3. How much do I need?

Thinking about switching to Motul Gear 300

1) for manual, I believe it’s one fill location and 2 drain locations.

2) no idea

3) full drain should be around 2 liters. (I just bought 3 to do it just in case.

I went with Ravenol.

here are the part numbers for the 2 drain plugs and the one fill plug.

Paging @Jnosol for further comment.

Nov 10, 2025 | 02:11 AM

#21

Joec500

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Joined: May 2014

Posts: 3,554

Likes: 1,349

From: Los Angeles

Quote:

Originally Posted by AdamSanta85

2018 Carrera T with the mechanical LSD

1. Is there a separate drain and fill location for the diff?
2. Do I need friction modifier?
3. How much do I need?

Thinking about switching to Motul Gear 300

Not sure about the .2, but the .1 which should be the same the diff and trans are one unit and share the same fluid.
I used this stuff

https://www.suncoastparts.com/produc...n2t73yrkdSD-0Q

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