[FWD Manual] Gear selection problem (lemmy.world)

submitted 8 months ago* (last edited 8 months ago) by UnH1ng3d@lemmy.world to c/mechanicadvice@lemmy.world

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Can anyone suggest what might be wrong? I have just changed the clutch and now I am struggling to select gears even when the engine isn't running.

I don't think it's linkage related because it seems to be difficult to select gears just pulling directly on the arms that move the forks too. I don't think I've done anything that should have an effect on the inside of the gearbox, I've removed and refitted the drive shafts and changed the fluid.

Also can anyone confirm my thinking that the clutch and concentric slave cylinder shouldn't be a factor, since the problem exists when the engine isn't running?

Edit: Strangely, after leaving it overnight, gears are selecting perfectly again and I have absolutely no idea why. I didn't change anything 😕

I suppose that should be good news but without knowing what the problem was, I'm not very satisfied. Thank you to everyone for your help.

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[-] UnH1ng3d@lemmy.world 2 points 8 months ago

I left it overnight, and now the gear change is back to normal and I have no idea why 😭

That's a really great way to find the problem, and if it starts happening again I will follow exactly that process 🙏

It may not matter now, but for the sake of completing the picture:

I did move the gearbox but I also disconnected the linkage beforehand, carefully and gently too.
It's a bleedable (concentric) slave cylinder which I replaced with the clutch as it has an integrated release bearing. I've now been able to test the clutch properly and it feels excellent 👌

If the problem comes back and I am able to find the cause, I will make sure to report back!

[-] Everythingispenguins@lemmy.world 2 points 8 months ago

Well good I guess...

That is weird. It seems like you did everything right. I can't really see why this would happen. With it going away like that it seems like it must be something to do with the clutch... Maybe it didn't seat properly and you fixed it when you were trying to diagnose it. Or maybe you had some weird air pocket in the clutch hydraulics that needed time to rise to the top.... I don't know

I would keep an eye on your clutch hydraulic fluid for a bit just to be safe. Otherwise just be happy it went away. I know I hate not knowing what was wrong even when it gets fixed.

Or as I think maybe you had a selector fork get stuck and it released overnight....

[-] UnH1ng3d@lemmy.world 1 points 8 months ago

I will watch the fluid level or maybe even bleed it once more then, but it seems it's going to remain a mystery for now anyway.

I really appreciate you going to the trouble to try and help with this. Thank you very much 😁

this post was submitted on 10 Mar 2024

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