Redline Manual Transmission Fluid Change

[jolasteddy25]

Almost time for the manual transmission fluid change. Thinking of going with Redline 75W-80. Thoughts? To get rid of that notchy feeling in 2nd, 3rd and 5th...
2025 Acura Integra A-spec w/ Tech pkg

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[4Dparadox]

I plan to go with Amsoil myself

 

[TheRas900]

Would these truly make the shifter feel less notchy? It's definitely not as smooth as my Gen 1 TSX.

 

[SeanIsElsewhere]

Following. I want to change mine soon and don’t know if should stick with oem fluid or try aftermarket

 

[Waitforit]

I got some AC Delco MTF waiting to replace the OEM MTF. I heard these works as well as redline and amsoil, but cost a bit less.

 

[mino8539]

I swapped to Amsoil MTF after ~9000 miles.

 

[SeanIsElsewhere]

I swapped to Amsoil MTF after ~9000 miles.

Could you share a link to the fluid you used? I am afraid to put in the wrong stuff. There is a lot of conflicting info out there regarding this trans and what fluid to go with. I’m just looking for something better than oem is all

 

[mino8539]

Could you share a link to the fluid you used? I am afraid to put in the wrong stuff. There is a lot of conflicting info out there regarding this trans and what fluid to go with. I’m just looking for something better than oem is all

https://www.amsoil.com/p/amsoil-5w-30-manual-synchromesh-transmission-fluid-mtf/

For some unknown reason, Amsoil decides to use SAE Auto grades for this MTF instead of SAE Gear grades. It is basically a 75W-80. I am in Western Canada and wanted something a bit thinner than stock for the winter (-20 C to -30 C all winter makes morning drives rough with a MT).

Redline says on their website that the 75W-80 GL-4 is a direct replacement for Acura Genuine MTF. I don't see any harm in using this fluid.

 

[SeanIsElsewhere]

https://www.amsoil.com/p/amsoil-5w-30-manual-synchromesh-transmission-fluid-mtf/

For some unknown reason, Amsoil decides to use SAE Auto grades for this MTF instead of SAE Gear grades. It is basically a 75W-80. I am in Western Canada and wanted something a bit thinner than stock for the winter (-20 C to -30 C all winter makes morning drives rough with a MT).

Redline says on their website that the 75W-80 GL-4 is a direct replacement for Acura Genuine MTF. I don't see any harm in using this fluid.

You’re the man; thank you!
I am in NE US; should I be going with a slightly thicker solution in my case? Winters get cold but not Canada cold that’s for sure! And summers can be hot but mostly just brutually humid.

 

[mino8539]

You’re the man; thank you!
I am in NE US; should I be going with a slightly thicker solution in my case? Winters get cold but not Canada cold that’s for sure! And summers can be hot but mostly just brutually humid.

Stock viscosity should be fine in the NE. It doesn't get very cold.

 

[SeanIsElsewhere]

Stock viscosity should be fine in the NE. It doesn't get very cold.

Ok sweet deal. Thanks again mate

 

[jolasteddy25]

I plan to go with Amsoil myself

AMSOIL 5W-30 Synchromesh?

I swapped to Amsoil MTF after ~9000 miles.

 

[jolasteddy25]

I’m definitely rolling with Redline 75W-80

 

[4Dparadox]

AMSOIL 5W-30 Synchromesh?

Yes. Just debating where I’ll bring it to to do the swap. I’m not equipped to do it myself at the moment.

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