Second gear randomly pops out of gear when shifting from first

1/4atatime · 06-18-2021, 07:38 AM

So a few months ago I was pulling out of my driveway and I shifted from 1st to second at around 2.5k like always and when I went to put the transmission into 2nd it slid in smooth but when I let off the clutch it popped out of gear like I was in neutral but the shifter was still in the 2nd slot. Well I didn't have it happen for a long time and so I thought it might have just been a fluke. Well it happened to me again today this time pulling out from a stop sign and then it almost happened when taking off from a light but it stayed in gear even though if felt like it was trying to pop out that time. Now I wasn't revving it high, I have only shifted from second to first while rolling like 2 or 3 times (I stopped doing this a while ago when I read it wasn't good in our cars to downshift to first) and shifting at higher RPMs has never caused any issues though I don't do it that often and I don't drag race it. I only have about 16.5k on the odometer.

Eris · 06-18-2021, 04:21 PM

Quote:

Originally Posted by 1/4atatime

So a few months ago I was pulling out of my driveway and I shifted from 1st to second at around 2.5k like always and when I went to put the transmission into 2nd it slid in smooth but when I let off the clutch it popped out of gear like I was in neutral but the shifter was still in the 2nd slot. Well I didn't have it happen for a long time and so I thought it might have just been a fluke. Well it happened to me again today this time pulling out from a stop sign and then it almost happened when taking off from a light but it stayed in gear even though if felt like it was trying to pop out that time. Now I wasn't revving it high, I have only shifted from second to first while rolling like 2 or 3 times (I stopped doing this a while ago when I read it wasn't good in our cars to downshift to first) and shifting at higher RPMs has never caused any issues though I don't do it that often and I don't drag race it. I only have about 16.5k on the odometer.

It may be a gear bearing that needs replacing

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1slow370 · 06-18-2021, 09:59 PM

Quote:

Originally Posted by Eris

It may be a gear bearing that needs replacing

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Elaborate on "gear bearing" such parts do not exist in the 6mt. It's a synchro or shift fork/collar. The z box is garbage when it comes to shift quality. High rpm shifts do not agree with this transmission. Especially if you normally let the clutch out mid change. Slip engaging the clutch on a z trans is like saying "welp that gears gone"

Edit:a guy who's thread history is 20 questions about a 7at giving advice on a manual

street2soul · 06-18-2021, 10:13 PM

Happens sometimes to my car. I've had my car for 8 years and it's been infrequently doing that and especially at the track. Funnily, the 2nd gear shifting and staying in issues have been getting better with time.

1/4atatime · 06-18-2021, 10:49 PM

Quote:

Originally Posted by street2soul

Happens sometimes to my car. I've had my car for 8 years and it's been infrequently doing that and especially at the track. Funnily, the 2nd gear shifting and staying in issues have been getting better with time.

Good to know I'm not alone the Z transmission is funky sometimes. I thought it was probably another Nissan transmission quirk since it still shifted smooth and otherwise seems fine.

Eris · 06-18-2021, 11:06 PM

Quote:

Originally Posted by 1slow370

Elaborate on "gear bearing" such parts do not exist in the 6mt. It's a synchro or shift fork/collar. The z box is garbage when it comes to shift quality. High rpm shifts do not agree with this transmission. Especially if you normally let the clutch out mid change. Slip engaging the clutch on a z trans is like saying "welp that gears gone"

Edit:a guy who's thread history is 20 questions about a 7at giving advice on a manual

You took the time to edit your post to say that?

...ok.

Evening.

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06-18-2021, 07:38 AM	#1 (permalink)
1/4atatime Base Member Join Date: Sep 2019 Location: VA Posts: 179 Drives: Silver 2018 370z Rep Power: 6716	Second gear randomly pops out of gear when shifting from first So a few months ago I was pulling out of my driveway and I shifted from 1st to second at around 2.5k like always and when I went to put the transmission into 2nd it slid in smooth but when I let off the clutch it popped out of gear like I was in neutral but the shifter was still in the 2nd slot. Well I didn't have it happen for a long time and so I thought it might have just been a fluke. Well it happened to me again today this time pulling out from a stop sign and then it almost happened when taking off from a light but it stayed in gear even though if felt like it was trying to pop out that time. Now I wasn't revving it high, I have only shifted from second to first while rolling like 2 or 3 times (I stopped doing this a while ago when I read it wasn't good in our cars to downshift to first) and shifting at higher RPMs has never caused any issues though I don't do it that often and I don't drag race it. I only have about 16.5k on the odometer. __________________ Did any of my post help you or just feeling nice?Give Rep\|Add me to your friends list\|View My Build "The real you is who you are when ain't nobody watchin" - NF Last edited by 1/4atatime; 06-18-2021 at 07:41 AM.

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06-18-2021, 10:13 PM	#4 (permalink)
street2soul Enthusiast Member Join Date: Aug 2010 Location: Texas Posts: 284 Drives: 13 Nismo Rep Power: 3370	Happens sometimes to my car. I've had my car for 8 years and it's been infrequently doing that and especially at the track. Funnily, the 2nd gear shifting and staying in issues have been getting better with time.