S13 driveshaft noise after clutch replacement help! - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

sdblackgloves · 10-13-2008, 10:09 PM

I have a 92 with KA24DE. I just replaced my clutch, flywheel, pilot bearing and throwout bearing. The clutch kit is a 4 puck with chromoly lighten flywheel. After the install I started getting a humming/light vibration noise from the driveshaft but only on Deceleration and between 2k-3k rpm in all gears except reverse.

I never had this problem before the install so Im thinking I didnt align the driveshaft on back right? So I rechecked it loosened it and realigned the bracket that holds the driveshaft up... Still the same noise. No fluids came out on the install so I didnt put any new fluids in.

I searched the site for this problem but couldnt find one like mine.. most are noises in trans on accleration or in driveshaft. I read some on Deceleration noise but not within the 2-3krpm like mine

Anyone have any idea?

*awesomenick* · 10-13-2008, 10:30 PM

I read something a long time that "Def" posted. I can't remember exactly what it was, so I'll probably fuck it up.

But I think it had to do with a harmonic vibrations because of the springs (or lack of) on the clutch disk. Maybe you'll get lucky and he'll post.

I have that vibration too, and it doesn't bother me. So I didn't do anything about it. If it's an easy fix though, maybe I'd fix it.

sdblackgloves · 10-14-2008, 08:27 AM

the clutch disc is has springs on both sides of the disc.. kind of like a dual spring but not within each other. I dont remember if it was sprung or unsprung. Everything functions correctly it only makes that noise on decel at 2-3k rpms. Doesnt bother me much either I just dont know if its bad for the drivetrain or my clutch.

xsparc · 10-14-2008, 08:32 AM

well mine does the same thing, but thats cause the joint in the driveshaft is about toast and kinda shakes in the bushing.

*awesomenick* · 10-14-2008, 09:16 AM

Quote:

Originally Posted by sdblackgloves

the clutch disc is has springs on both sides of the disc.. kind of like a dual spring but not within each other. I dont remember if it was sprung or unsprung. Everything functions correctly it only makes that noise on decel at 2-3k rpms. Doesnt bother me much either I just dont know if its bad for the drivetrain or my clutch.

Mine does the exact same thing. It's done it for a little while. I've just overlooked it, maybe I'll check it out soon.

sdblackgloves · 10-14-2008, 06:50 PM

I might removed my trans next weekend and check out the clutch.

I notice today that when it makes the noise and i lightly push on the clutch pedal I can feel the vibration.. so I could have a problem with my pressure plate or the pitch fork.

10-13-2008, 10:09 PM	#1
sdblackgloves Zilvia Member Join Date: Mar 2006 Location: San Diego Posts: 186 Trader Rating: (2)	S13 driveshaft noise after clutch replacement help! I have a 92 with KA24DE. I just replaced my clutch, flywheel, pilot bearing and throwout bearing. The clutch kit is a 4 puck with chromoly lighten flywheel. After the install I started getting a humming/light vibration noise from the driveshaft but only on Deceleration and between 2k-3k rpm in all gears except reverse. I never had this problem before the install so Im thinking I didnt align the driveshaft on back right? So I rechecked it loosened it and realigned the bracket that holds the driveshaft up... Still the same noise. No fluids came out on the install so I didnt put any new fluids in. I searched the site for this problem but couldnt find one like mine.. most are noises in trans on accleration or in driveshaft. I read some on Deceleration noise but not within the 2-3krpm like mine Anyone have any idea?

10-14-2008, 08:32 AM	#4
xsparc Zilvia Junkie Join Date: Dec 2002 Location: san diego area - esco Posts: 459 Trader Rating: (0)	well mine does the same thing, but thats cause the joint in the driveshaft is about toast and kinda shakes in the bushing. __________________ No... no one stole my interior... its safely in my garage...

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10-13-2008, 10:30 PM	#2
awesomenick Premium Member Join Date: May 2006 Location: UT Age: 21 Posts: 870 Trader Rating: (29)	I read something a long time that "Def" posted. I can't remember exactly what it was, so I'll probably fuck it up. But I think it had to do with a harmonic vibrations because of the springs (or lack of) on the clutch disk. Maybe you'll get lucky and he'll post. I have that vibration too, and it doesn't bother me. So I didn't do anything about it. If it's an easy fix though, maybe I'd fix it.

10-14-2008, 08:27 AM	#3
sdblackgloves Zilvia Member Join Date: Mar 2006 Location: San Diego Posts: 186 Trader Rating: (2)	the clutch disc is has springs on both sides of the disc.. kind of like a dual spring but not within each other. I dont remember if it was sprung or unsprung. Everything functions correctly it only makes that noise on decel at 2-3k rpms. Doesnt bother me much either I just dont know if its bad for the drivetrain or my clutch.

10-14-2008, 06:50 PM	#6
sdblackgloves Zilvia Member Join Date: Mar 2006 Location: San Diego Posts: 186 Trader Rating: (2)	I might removed my trans next weekend and check out the clutch. I notice today that when it makes the noise and i lightly push on the clutch pedal I can feel the vibration.. so I could have a problem with my pressure plate or the pitch fork.