C30 Gearbox : - C30 1.6D Transmission oil

lajron · Feb 20th, 2024, 00:37

Hello everyone, I bought a 1.6D 2007 C30 (5 gear manual) 185k km and noticed that gear changing is a little bit stiff especially the 1st and 2nd gear. There are no weird sounds from the gearbox but I noticed once it didn't want to go in reverse when changing gears while the engine was turned off.
Anyways I was planning on changing the transmission oil hoping it might help with the gear stiffness. I'd like if someone can confirm that the transmission that my car has is MTX-75?
I found a few transmission fluids and am not sure if they are good for the car so I'd like if you guys could confirm it.

Castrol Transmax Manual FE 75W
https://midaoil.rs/proizvod/castrol-...ual-fe-75w-1l/

RAVENOL MTF-2 SAE 75W-80
https://www.ravenol.rs/ravenol-mtf-2-sae-75w-80/

Total Transmission Dual 9 Fe 75W90
https://www.silux.rs/proizvodi/dodat...-9-fe-75w90-1l

If I'm in the wrong please do tell what I should look for and any ideas why the reverse problem accured?

Feb 20th, 2024, 00:37	#1
lajron New Member Last Online: May 5th, 2024 12:48 Join Date: Feb 2024 Location: Belgrade	C30 1.6D Transmission oil Hello everyone, I bought a 1.6D 2007 C30 (5 gear manual) 185k km and noticed that gear changing is a little bit stiff especially the 1st and 2nd gear. There are no weird sounds from the gearbox but I noticed once it didn't want to go in reverse when changing gears while the engine was turned off. Anyways I was planning on changing the transmission oil hoping it might help with the gear stiffness. I'd like if someone can confirm that the transmission that my car has is MTX-75? I found a few transmission fluids and am not sure if they are good for the car so I'd like if you guys could confirm it. Castrol Transmax Manual FE 75W https://midaoil.rs/proizvod/castrol-...ual-fe-75w-1l/ RAVENOL MTF-2 SAE 75W-80 https://www.ravenol.rs/ravenol-mtf-2-sae-75w-80/ Total Transmission Dual 9 Fe 75W90 https://www.silux.rs/proizvodi/dodat...-9-fe-75w90-1l If I'm in the wrong please do tell what I should look for and any ideas why the reverse problem accured? Last edited by lajron; Feb 20th, 2024 at 01:20.

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