STI trannys just as bad as wrx? - Subaru WRX Forum
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post #1 of 26 Old 08-08-2005, 04:42 AM Thread Starter
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STI trannys just as bad as wrx?

I was doing some research on the 02 wrx trannys, because mine has the very common problem of being unable to downshift into first while the car is in motion and my second gear is completely gone. So here is what i read, in 03 Subaru fixed this problem with better syncs, but my question to you is, is this true or just bs. And also my friend has an 04 STI and he is also having the same exact problem with his 6 speed, so are those bad trannys too or just bad luck. Anybody else having this problem.
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post #2 of 26 Old 08-08-2005, 07:48 AM
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Well first off, the WRX tranny is like glass compared to the bullet proof STi 6sp. It's hard to compare the two lol.

Second, I think the reason why you can't downshift into 1st while the car is in motion is due to a safety mechanism put in there by Subaru. There are ways to get around it though. I've heard double-clutching will work. (I've never tried so don't mark my word)
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post #3 of 26 Old 08-08-2005, 08:33 AM
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I can downshift into 1st while moving at 15mph+ with no problems, it simply goes right in.
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post #4 of 26 Old 08-08-2005, 08:45 AM
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Try changing your gear oil.
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post #5 of 26 Old 08-08-2005, 05:04 PM
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You guys must treat your cars like tanks or something because I am kinda rough on the tranny sometimes, and if it's as weak as you guys make it sound, it should have fallen out on I-79 or something long ago.

Jon
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post #6 of 26 Old 08-08-2005, 08:55 PM
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give it a higher blip, and you should be in nutral when you do your blip for your downshift. leaving the clutch in while bliping and trying to get the leaver into first is tough in my 03.

in my 03, bliping in nutral i need to get it to about 4000 4200 rpm to be able to slid it into first, and instantly release the clutch.
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post #7 of 26 Old 08-09-2005, 02:13 PM
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I've already had this kind of problem with my transmission.
I'vs simply change my oil with a full synthetic one.
I dont have any problem with my transmission now.

Charles
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post #8 of 26 Old 08-09-2005, 03:59 PM
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my trans used to shift into 1st a lot easier while in motion, but with a double clutch I can blip it in at 25mph if I need to for whatever reason. After 20k miles I was unable to shift into first without either grinding or double clutching at 15mph+
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post #9 of 26 Old 08-09-2005, 11:17 PM
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like others have said, get some synthetic gear oil in there, i like royal purple, it's a certified GL-5 (what subaru wants!), and it makes shifting much easier. Also learn how to double cluth. Although double clutching isn't absolutely necessary on a car with synchros, once you learn how to do it, and feel how SMOOTH the gears go into place, you'll realize how your transmission SHOULD feel. Take your time when shifting and give the machinery TIME. Wait on IT and don't force it to do something it doesn't want to do.
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post #10 of 26 Old 08-10-2005, 12:15 AM
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mine used to go from 2nd - 1st easily but my ole lady learned how to drive stick on rex while I was in Iraq and now I have the same problem but double clutchin works for me. oh, and y'all talk about changin tranny oil, is there a step by step guide somewhere?
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post #11 of 26 Old 08-10-2005, 12:20 AM
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here's step by step

1.) drain fluid
2.) refill fluid

If you can change your oil you can change your trans fluid.
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post #12 of 26 Old 08-10-2005, 12:25 AM
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is the plug in an obvious place, our will I lose my freakin' mind lookin' for it?
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post #13 of 26 Old 08-10-2005, 12:27 AM
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it's obvious, not TOO far from the oil drain plug. only other drain plug down there (in that neighborhood anyway)
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post #14 of 26 Old 08-10-2005, 12:31 AM
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i would recommend changing your rear diff fluid with your trans. Your rear diff has two plugs, a drain plug and a fill plug. Drain it with the bottom plug (making sure you can get the fill plug off BEFORE you drain it!, sometimes there's on there pretty tight from the manu), put the drain plug back, and remove the fill plug and fill it up to where it won't hold any more (up to the fill plug).
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post #15 of 26 Old 08-10-2005, 12:34 AM
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thanx dude I do it this weekend
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