mobil 1 tranny fluid
#3
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Join Date: Dec 2002
Location: California
Posts: 176
Car Info: 2002 Subaru Impreza WRX
I just changed my tranny fluid (every 10k miles) and I do it all the time with Mobil 1 Syn. No problems whatsoever, and I am at over 40,000 miles already. Everytime I do it, it shifts as smooth as butter. Everyone has their opinions about what to use, so I would recommend to try what you want and contribute back.
- J
- J
#4
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Join Date: Jul 2003
Location: Frisco
Posts: 194
Car Info: '04 Silver WRX
Originally Posted by nic3krnnamja83
some people get frist gear grind cause the oil is too slick, it happened to me, but it doesnt to others
So i try not to shift too hard on first and if I feel it start to grind i just ease off
#6
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Join Date: Nov 2002
Location: Reno, NV
Posts: 18,369
Car Info: 1993/2000/2001 GF4 mostly red
There is some helpful info here:
https://www.i-club.com/forums/suby-shopping-maintenance-warranty-92/what-fluids-use-your-subaru-46582/
https://www.i-club.com/forums/suby-shopping-maintenance-warranty-92/what-fluids-use-your-subaru-46582/
#9
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Join Date: May 2004
Location: New Jersey
Posts: 345
Car Info: 2005 Metallic Gray STI
The grinding thing! I grinded first gear if I don't put the clutch all the way down.
Or, If I go from 2nd gear to First, it grinds even if the car is moving really slow or barely moving at all .. somethimes. I don't think its meant for subarus to go to 1st gear from another gear no matter how slow the car goes.. ..
That's just what I noticed.. . . I'm not sure if i'm the only one having that problem. (maybe its just the way I drive . .. let me know if you guys are this problem too)
Or, If I go from 2nd gear to First, it grinds even if the car is moving really slow or barely moving at all .. somethimes. I don't think its meant for subarus to go to 1st gear from another gear no matter how slow the car goes.. ..
That's just what I noticed.. . . I'm not sure if i'm the only one having that problem. (maybe its just the way I drive . .. let me know if you guys are this problem too)
#12
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Join Date: Nov 2002
Location: Penngrove, CA
Posts: 413
Car Info: 96' GF w/EJ205
Do NOT use standard Mobil 1 tranny oil, it is not right for Subaru transmissions. There is a product called "Mobil1 SHC" that is the right stuff. Its rather hard to find, I know Rallispec carries it.
#14
You only need to change your tranny oil every 30k. I do it every 15k. I used Mobil1 and it didn't work out well at all. I am using the stuff they use in Jeeps right now. I forgot the exact rating on it but it is slightly more viscous than the Subaru stuff but it doesn't have any friction modifiers. I am probably going to go with some synchromesh next time.
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