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Scion tC 2G Drivetrain & Power Engine and transmission discussions...

Anyone else have problems with second and third "grinding"?

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Old Sep 14, 2014 | 03:00 PM
  #1  
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Default Anyone else have problems with second and third "grinding"?

My second and third gears dont really grind so much as they dont go right in and kind of bounce before going into gear. It only happens sometimes and I need to shift really slow for it not to do it. Is this normal?
Old Sep 15, 2014 | 06:48 AM
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Toyota transmissions have been known for being "notchy" when cold. Though I have ground second at normal low rpm shifts with the clutch all the way in once or twice lately. 16,000km (12k miles ish).
Old Sep 15, 2014 | 07:03 PM
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Im at 47k miles and its been in the shop for trans work on the main shaft bearing. I was just concerned as this started less than a month after It left the trans shop. My old car did it in second so I thought it was normal, but now third is doing it.
Old Sep 16, 2014 | 12:55 AM
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Had this issue with 2nd and 4th gear. This was before and after the TSB was done for the input shaft bearings. Eventually it stopped going into 4th and had a new trans put in. Later on down the road, the new trans started the same input shaft noise so I no longer have that car.
Old Sep 16, 2014 | 12:57 AM
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Im close to the warranty being up so I guess I should try to address this before that point...
Old Sep 16, 2014 | 02:15 PM
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Definitely. I was at 46k when the second trans started making noise, and because it was such a hassle with the first trans when the car was basically brand new I ended up trading it in.
Old Sep 17, 2014 | 06:56 PM
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I have a first gen but that stinks. The trans is the reason I haven't modded my motor. I've tried bushings and fluids but it's just not a performer.
Old Sep 17, 2014 | 10:18 PM
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I have the same problem with 3rd and 4th. Does anyone know of a swap that could be done with a better transmission?
Old Sep 23, 2014 | 06:56 PM
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Update:

Went to the dealer. They couldnt replicate the issue (yeah right) so theyre keeping overnight to do it in the morning when its cold which is when its more prevalent.
Old Sep 24, 2014 | 09:20 PM
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Update: Picked up my car, they couldnt find anything wrong with it. On my drive home I didnt experience anything...

They didnt say they did anything other than check fluid levels. /confused.
Old Oct 10, 2014 | 01:44 PM
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A day later I felt the issue again. My mechanic drove it and felt it also so it's not just me. The stealership lied to me.

However I found out they replaced my oil to the stock Toyota garbage when they fixed my shaft bearing. Changed it with redline mtl 70w/80 and it's like night and day. Shifts so much smoother eliminated the knotchiness of the trans and the grind is gone. It's like a brand new car.
Old Oct 14, 2014 | 07:06 PM
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How does motor oil, effect shifting?

Or did you mean gear oil?
Old Oct 14, 2014 | 07:14 PM
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He said they changed it with Redline 70W dude, come on. Do the math.
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