alternative DCT fluids

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Oct 23, 2025 | 08:20 PM

#21

cmck0916

Burning Brakes

Joined: Sep 2024

Posts: 812

Likes: 751

Quote:

Originally Posted by RPOZ4Z

The GM fluid is the color of regular motor oil. the Valvoline fluid is red.
which is why I asked the question, IF you use the Valvoline fluid, they will know.

Simple solution: if you have a transmission problem, drain the Valvoline fluid out and put the ACDelco fluid in before bringing it to the dealer for warranty work.

Oct 24, 2025 | 08:06 AM

#22

EvanD

CF Community Team

Joined: Nov 2005

Posts: 5,252

Likes: 2,892

From: Charlotte N.C.

Not so simple as about 4 liters of fluid doesn't drain out. If they wanted to push the issue of not using AC Delco fluid it would be easy to test.

Oct 31, 2025 | 02:04 AM

#23

X25

Sr.Random input generator

Joined: Jan 2008

Posts: 7,802

Likes: 2,231

From: Sammamish, WA

I use Amsoil, and it seems to be the same color as the AcDelco variant. I use Amsoil, since it's (supposedly) a wee bit better in high temp and heavy duty use tolerance, and I mainly use the car for track. It's also priced well with their cheap annual membership.

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