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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 04-17-2015, 07:43 AM   #1
flashburn
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Transmission grind from 3rd-4th, remove mods before bringing to dealer?

So I've noticed for a while now that I have a grind from 3rd to 4th when shifting at high RPM's. I noticed that a lot of other people have had this same issue. My question is, currently I have the Perrin Shifter bushing, Whiteline Transmission bushing, and Mtec shifter springs installed. Do you guys think I need to remove all of these mods before bringing in the car to the dealer? I'm guessing so, but I wanted to ask before I spend the time/money to do so.
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Old 04-17-2015, 12:23 PM   #2
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Bushings:yes. I doubt anyone would notice the Mtec springs unless they go specifically searching for it (and have an OE piece for comparison).
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Old 04-17-2015, 12:24 PM   #3
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I probably would, for two reasons:

1. Dealer might complain

2. If dealer doesn't complain, but decides to swap/fix the trans, you might end up losing the parts since they most likely wont switch them over (especially the mtec springs).
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Old 04-17-2015, 12:41 PM   #4
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take 5 minutes to remove the whiteline tranny bushing insert following that dude's guide


leave the rest on and eat the cost.. I am not so sure they'd replace shifter bushings if it turns out to be your tranny. springs probably will be lost
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Old 04-20-2015, 08:45 AM   #5
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Okay, thanks guys. So someone wrote up a guide specifically on removing the tranny bushing? I'll have to search around for that.

edit: Nevermind, I found the "5 min" install guide. Looks simple enough...

http://www.ft86club.com/forums/showthread.php?t=26411
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Old 04-20-2015, 09:09 AM   #6
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Honestly I think I'm just going to remove the Perrin bushing as well, since it added a lot of NVH, mainly I suspect this whining sound when at low RPM's, which is annoying at highway speeds. Hopefully that isn't too much of a bitch to remove.
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Old 04-20-2015, 11:37 AM   #7
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let me know how it goes for you OP. I have the same grind but have been too lazy to bring it in.
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Old 04-20-2015, 11:51 AM   #8
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Originally Posted by trevorovert View Post
let me know how it goes for you OP. I have the same grind but have been too lazy to bring it in.
Same here lol
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Old 04-20-2015, 12:10 PM   #9
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Man if it wasn't for all of us lazy fuckers, they probably would of recalled it by now!
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Old 05-02-2015, 01:46 PM   #10
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Son of a bitch... I completely forgot that I had the Perrin transmission support installed at the same time. Of course I didn't realize this until I was under the car, and had the bolt removed and the transmission jacked up a bit. It looked like too big of a job to tackle without a lift, so I'm just going to take it in to a shop to have them remove both at the same time. I was able to remove the shifter bushing at least, so it wasn't a complete waste of time.
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