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2010 GR Pops out of 6th
2010 GR Pops out of 6th
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Old 08-17-19, 05:33 PM   #1
NastyLuv
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Default 2010 GR Pops out of 6th

Ok, so this has been happening for a while now and I've just put up with it. But I would like to get it sorted.

So the car shifts smooth and fine through all gears, but will not stay in 6th gear. Sometimes it will stay for a mile or two and sometimes it pops out immediately when loaded. I can hold it in 6th but it's quite a workout. Feels like the transmission is pulling against me to move the shifter forward and pop it out.

2010 GR with 99k on the ODO. Car is mostly stock. It's been like this for at least the past year. I honestly can't remember when it first started. Car has been driven normally and not abused or launched.

Fluids are fine and checked/replaced every 20k or so. Clutch is stock but hasn't slipped or anything weird since I've owned it. I do have new linkage bushings, as well as trans mount and shifter bushings that I haven't installed yet. Anything I can check off the list without dropping the tranny would be appreciated.
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Old 08-18-19, 04:24 AM   #2
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Default Re: 2010 GR Pops out of 6th

If stock shifter and linkage and there isn't something wrong with it then tranny is the answer - unfortunately. Thats not common for ours either . . .

So happens mine is being rebuilt just now - but mine still shifted fine and stayed in gear at 235+K mi.
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Old 08-18-19, 08:07 PM   #3
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Default Re: 2010 GR Pops out of 6th

means synchro is worn...rebuild in order...
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Old 08-22-19, 07:26 PM   #4
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Default Re: 2010 GR Pops out of 6th

Quote:
Originally Posted by Jedi03 View Post
means synchro is worn...rebuild in order...
How does synchro wear?
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Old 08-23-19, 06:19 AM   #5
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Default Re: 2010 GR Pops out of 6th

Quote:
Originally Posted by Jedi03 View Post
means synchro is worn...rebuild in order...
I don't think you quite understand how synchros work or what it does... once it is IN gear, the synchro does nothing. How do cars without synchros shift? why does double clutching negate the need for synchro? synchros are simply friction rings that brings the neighbouring gears to the same rpm before going in gear, so you can go in gear.
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Old 08-23-19, 08:58 AM   #6
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Default Re: 2010 GR Pops out of 6th

so what keeps it in gear then? also these are not straight cut, they are diagonal so the argument is not valid...unless the gear is damaged the only other item is the synchro? Why does my Transmission pops out of gear transmissions

"..Popping out of gear is a common problem when it comes to manual transmissions. The most common reason a manual transmission would jump out of gear is due to low or contaminated fluid, worn synchronizers inside the transmission, or improperly adjusted shift linkage..."

if you have more experience than i or the linked gentleman or the other transmission gurus i go to please enlighten us...also OP please let us know what yours is so we can all learn something new!

GEAR POP-OUT CAUSES AND FIXES-GBox Transmission
WC Engineering : 5th Gear Pop-Out

i guess the other bearings could cause clearance issues, either way the most common ones include them...but again your input on why this is happening will be lovely to hear! instead of just naysaying a post with no additional technical input/backup...
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Old 08-24-19, 09:02 AM   #7
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Default Re: 2010 GR Pops out of 6th

Hey fellas, thanks for all the input. No need for the arguing. It's not you vs them. It's "us" vs my transmission! I'm just trying to narrow it down and know what to expect to fix it. I've heard it could be the forks as these are prone to damage. I've also read it could be synchros. I'm also thinking maybe my trans mount is just so out of wack that it lets it pull it out of gear. Could be linkage. Could just be a bent shifter... I've no idea which is why I came here to ask if anyone did.

I have a full linkage bushing kit, as well as the usual front and rear shifter bushings, and a group N mount sitting in my closet. I'm not holding my breath but maybe it will sort it self out after all of that goes in. Otherwise, it's bad news bears I'm guessing.
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