Gearbox piece on drain plug

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Hen10
Driver
Posts: 39
Joined: Tue Nov 15, 2016 12:12 pm
Vehicle: NB8A

Gearbox piece on drain plug

Postby Hen10 » Thu Apr 20, 2017 9:30 pm

Not exactly sure what to call it but when I was changing my transmission fluid today a piece of something was on the magnetic drain plug. Can anyone shed some light on what it could be? It's roughly one cm long and a couple of mm wide.
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RS2000
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Re: Gearbox piece on drain plug

Postby RS2000 » Thu Apr 20, 2017 10:08 pm

That looks like a synchroniser key (sometimes called synchroniser blocker bar). Usually 3 on each synchroniser hub/sleeve
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Hen10
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Joined: Tue Nov 15, 2016 12:12 pm
Vehicle: NB8A

Re: Gearbox piece on drain plug

Postby Hen10 » Thu Apr 20, 2017 10:36 pm

RS2000 wrote:That looks like a synchroniser key (sometimes called synchroniser blocker bar). Usually 3 on each synchroniser hub/sleeve

I presume it's not ideal for the future longevity of my gearbox?
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RS2000
Racing Driver
Posts: 680
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Re: Gearbox piece on drain plug

Postby RS2000 » Fri Apr 21, 2017 9:50 am

I'll leave that call to a qualified transmission mechanic.
FYI see item 17-243 on attached image of MX5 5 speed gears.
IMG_5 speed MX5.pdf
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Hen10
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Joined: Tue Nov 15, 2016 12:12 pm
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Re: Gearbox piece on drain plug

Postby Hen10 » Fri Apr 21, 2017 10:54 am

RS2000 wrote:I'll leave that call to a qualified transmission mechanic.
IMG_5 speed MX5.pdf


Had a chat to a mechanic friend this morning who said It's not ideal but to just keep driving it till it craps itself. Lucky 5 speeds are cheap!
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