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Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 9:45 am
by sunlightsilver
Hi guys,

I've got a strange noise that started maybe a week ago.

Basically it only happens in 1st, 2nd (sometimes) and reverse which leads me to believe gearbox, not clutch.

The common factor is that this noise occurs at low speed. If I hammer it in 1st and change to 2nd going a reasonable speed this noise wont happen, its only if I'm crawling in traffic etc in 2nd. The noise is a screeching sound that happens as I release the clutch and start accelerating, it doesn't last a very long time - it will go away after i pick up even a small amount of speed. It just occurs as the clutch engages and I accelerate for maybe 1-2seconds. I can draw out the noise longer if I take off more gradually.

Has anyone experienced this before? My car is an nb8b, not sure if i should be concerned with this noise.

Re: Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 9:51 am
by Craig
Clutch bearing, mine did the same thing! :cry:

Re: Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 10:16 am
by sunlightsilver
Found a video showing the noise, this is exactly what mine does.

http://s139.photobucket.com/user/aclemo ... 9.mp4.html

Pretty sure its still the OEM clutch, car has 152xxx k's on it. Probably just old and due for replacement?

Re: Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 10:31 am
by manga_blue
sunlightsilver wrote:Pretty sure its still the OEM clutch, car has 152xxx k's on it. Probably just old and due for replacement?
At least you've got a bit of time now, rather than being stuck on the side of a mountain somewhere. I'd do clutch, release bearing and rear main oil seal together.

Re: Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 12:28 pm
by davekmoore
Clutch release bearing. Do what manga_blue says.

Re: Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 12:32 pm
by sunlightsilver
Yeah that's what I was thinking.

I guess an exedy clutch kit would suit fine?

Re: Weird noise, not sure if clutch or gearbox

Posted: Wed Jan 22, 2014 3:39 pm
by JBT
Sounds more like the flywheel spigot bearing to me. In any case, you'll have to take off the gearbox as per clutch replacement and replace it along with the clutch and release bearing.

Re: Weird noise, not sure if clutch or gearbox

Posted: Thu Jan 23, 2014 10:20 am
by sunlightsilver
Picked up an exedy clutch kit, the rear main oil seal and pilot bearing for $250 incl postage - will probably be doing DIY with my brother who's a mechanic. Hoping to learn a bit in the process :)

Re: Weird noise, not sure if clutch or gearbox

Posted: Tue Jan 28, 2014 2:16 pm
by monty11ez
It shouldn't e too bad. I had mine go out on me not too long ago. It was fun. lol