Transmission Issues [Archive] - MX5 Miata Atlanta Owners Club

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Acro
01-23-2009, 05:44 PM
This started just recently. I've been having trouble going through the gears in my car, and no this grinding has started. Throwout bearing perhaps? Would that cause crunchy shifting if it's going out? Hydraulics are good.

http://www.youtube.com/watch?v=kzwJww0-zDc

MoD_Scotty
01-23-2009, 07:32 PM
You probably need a new clutch. Unless it's a fresh clutch, in that case...I dunno, but that does not sound good. Get under the car and have someone pump the clutch...watch the slave cylinder and make sure it's actuating enough.

But judging by that sound...it sounds like the clutch disc material is warn away and you're grinding grooves into your flywheel.

miataspeed69
01-24-2009, 08:11 AM
yea that sounds right ^ or its a throw out bearing making awful noises. i dont remember if you heard mine but it was horrid. lemme know what your gunna do im sure we could gather some guys together to help you out.

Reverend Greg
01-24-2009, 10:29 AM
if it is your fly wheel I have one that is "slightly" lighter then stock will bring to Tech day for a small fee.PM if interested.I ride a similar set up and it revs like hell

MoD_Scotty
01-24-2009, 07:59 PM
If it was the throw out bearing making noise...the noise should go away when you push in the clutch. I've had a couple noisy throw out bearings, but they've never sounded like the cacophony in that video. That sounds bad.

Is there an inspection window on these trannies? If so, I'd shine a flashlight up in there and see if there are pieces of flywheel bouncing around in there.

silver280zx
01-24-2009, 10:23 PM
I wouldnt be surprised if that unsprung clutch did something to the tranny. That sounds nasty.