rattling noise during 1st gear

cheshirecat

That noise is normal. It's just the clutch/throwout bearing being a little rattly. The 350 is the same way.

Keep the clutch depressed when you turn the car off and you won't hear it. You'll get it every now and then when shifting in a low gear depending on your technique.

ShockWave

Thanks!

lfrz93

Bump, I'm interested in learning how to flush this easily since I'm pretty sure the tranny fluid in my 370z is brown as well

Smashley

Use a syringe to suck out the resevoir then fill with fresh fluid.... pump clutch with car off about 20 times and repeat until fluid remains clean. Do this once a week for a few times then twice a month.


Clutch rattle is actually the flywheel and is normal. Do NOT get a aftermarket lightweight flywheel if that noise annoys you.

lfrz93

Thanks man!

What is a good recommended fluid to do this with? Sounds like I'll be busy this weekend


EDIT: Yeah, I don't plan on changing the flywheel, I was scared of the clunk at first but I actually like it, makes me feel like I'm in a real car

Smashley

Dot 4 brake fluid

Asheth

Looked at the video that's normal like others have said. Had it for 4 years now there was a long long thread back in the day about the same thing result was just acceptance that it's normal.

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binary0x01

everything in the 370z was designed to rattle, on purpose, engineered to. So basically, yeah it is normal.

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lfrz93

this will let me sleep at night

Bad Boy

I 2nd that.

DOOMMONKEY777

Its the wear out bearing on ur csc thats rattling, absolutely normal except if its making that sound on 2nd n 3rd gear that means its life is almost diminished.

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TurboTexanGrl

I've been hearing a rattling noise when I get on it from 2nd to 3rd to 4rd gear too.. Sounds like somethings not right. Not sure ??


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DOOMMONKEY777

you have a fully build car, youre car should make all kinds of noises, we r talking about stock cars here, with berely any mods on, if you like make a video, post it and once again forum members will take it from there.

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Jsolo

I don't hear anything out of the ordinary. All mt's make various noises. Trans noise with the clutch out (pedal NOT depressed) is typical - sounds like shaking a can of marbles. Stock setup shouldn't have any clutch chatter. A dual mass flywheel to reduce/eliminate this.

I wouldn't start messing with this until there's sufficient reason to do so. Then replace everything from the pilot bearing back. Maybe even get rid of the CSC. Btw, whoever is in that video is revving it way too much.

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