2nd gear pop out

[socalife]

I have a zf trans in my new m50 swap and when I kick the clutch in I get a thumping noise.also, 2nd gear always pops into neutral, and I have a rattle with clutch depressed in neutral

[efficient]

syncho is done in 2nd

[DesertBMW]

syncho is done in 2nd

True

[jalopi]

Sounds like one of the shift forks is worn out - a bad synchro'll make the trans grind when you try to put it in gear. The forks are what keeps the dog clutch/synchro ring on the selected gear. Pads/fork wears out, you get some slop in the fork and boom the trans can now pop outta gear. Not sure if the ZF has fork pads or if it's one piece, but either way you're gonna need a new (or used) trans.

[Bullhead]

Sounds like one of the shift forks is worn out - a bad synchro'll make the trans grind when you try to put it in gear. The forks are what keeps the dog clutch/synchro ring on the selected gear. Pads/fork wears out, you get some slop in the fork and boom the trans can now pop outta gear. Not sure if the ZF has fork pads or if it's one piece, but either way you're gonna need a new (or used) trans.

^ Shift fork or syncro sleeve is worn out, as stated the syncro itself just matches the 2 turning gear sets in the transmission to be able to shift into the desired gear. The forks and sleeves are what hold them in the gear selected.

[socalife]

What about the crazy rattle at idle when the engine is cold and in neutral, and the thumping noise when I push the clutch in

[Bullhead]

Throw out bearing, or clutch fork bearing.

[Poorboyz]

What about the crazy rattle at idle when the engine is cold and in neutral

Google Getrag rattle.

[socalife]

But it's a zf

[Poorboyz]

Zf rattle? Lol. Rattling in neutral will not be TOB.

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