Rear wheel/bearing noise normal?

Senna-F1 · 03-27-2019, 10:28 PM

https://www.icloud.com/sharedalbum/#B0yGDdyTvGrpoEs

Is this normal? It’s on both sides near the hubs. Didn’t seem to be the diff.

jchammond · 03-28-2019, 03:35 AM

Hard to see if the cv axle is moving,while you’re rocking wheel.
Also post what diff you have- including traction device

Senna-F1 · 03-28-2019, 08:16 AM

The axles were not being engaged/moving until this slack was taken up. This is a 2014 Nismo with stock diff. Only mods were axle click fix (this sound isn’t that) and z1 diff bushings. I have noticed more wheel hop recently that I thought was unusual.

JARblue · 03-28-2019, 09:36 AM

Is it only on one rear wheel?
The hubs are easy to replace and not terribly expensive. How many miles on them?
Were they hard miles? Seems logical to start there if you don't have another suspect.

Senna-F1 · 03-28-2019, 09:38 AM

37,000. Pretty aggressive street miles.

Sent from my iPhone using Tapatalk

JARblue · 03-28-2019, 09:41 AM

Have you taken off the rotor for a closer look? Consider a mechanical stethoscope to see if you can pinpoint the noise more accurately.

Senna-F1 · 03-28-2019, 11:56 AM

So I’m getting the feeling it’s not normal. I’ll have to inspect further now. Maybe just bite the bullet and throw new parts on it.

mults · 03-28-2019, 02:59 PM

Maybe pads moving in the calipers...lack of oil in the diff...splines worn...excessive wear in the joint to name a few...

Senna-F1 · 03-28-2019, 04:16 PM

Yeah, maybe pads... thanks!

obender66 · 03-28-2019, 08:08 PM

Check if axle center nut is tight. wheel would wobble too if it got loose.
Rotate axle by hand and feel where the most feedback from clunk is coming from.
With 37k even very hard miles its too early for issues@rear end. My G has 225k km with lots of track and autox time-still on stock axles.If you know anybody close to you with Z ask them to test their car.
Z has drivetrain " lash", it might even be normal. Mine clunked since new if I was bit clumsy with clutch at very low speeds- like parking.

SG4247 · 03-28-2019, 09:39 PM

Sounds like a CV axle joint...

Just have to inspect it real close..

Senna-F1 · 03-28-2019, 11:42 PM

Ok got it back on the lift and seems to trace back to the transmission. I posted a new video of this. https://www.icloud.com/sharedalbum/#...0-2203DDD7BDAB

Car was in neutral.

I think this is what I’ve been hearing while driving slowly on a bumpy road. I thought it was suspension related which is why I had it up in the air in the first place. But everything was tight so now I’m thinking it’s this. :/.

I do need a new clutch and my TO bearing is noisy. Surprised my CSC is still ok but I also got the RJM pedal early on which I’ve read helps with the life of csc.

03-27-2019, 10:28 PM	#1 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 53 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 49	Rear wheel/bearing noise normal? https://www.icloud.com/sharedalbum/#B0yGDdyTvGrpoEs Is this normal? It’s on both sides near the hubs. Didn’t seem to be the diff.

03-28-2019, 03:35 AM	#2 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 57 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684394	Hard to see if the cv axle is moving,while you’re rocking wheel. Also post what diff you have- including traction device __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

03-28-2019, 09:36 AM	#4 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,449 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Is it only on one rear wheel? The hubs are easy to replace and not terribly expensive. How many miles on them? Were they hard miles? Seems logical to start there if you don't have another suspect. __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

03-28-2019, 09:38 AM	#5 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 53 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 49	37,000. Pretty aggressive street miles. Sent from my iPhone using Tapatalk __________________ 618 WHP.452 WTQ.4" Python Intake.15 psi.e50.Topgunz SC.SOHO Tune.S1SE.STG 4 Clutch.Motordyne LTH/Test Pipes/Exhaust.485 Pump.1050x

03-28-2019, 09:41 AM	#6 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,449 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Have you taken off the rotor for a closer look? Consider a mechanical stethoscope to see if you can pinpoint the noise more accurately. __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \|

03-28-2019, 08:16 AM	#3 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 53 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 49	The axles were not being engaged/moving until this slack was taken up. This is a 2014 Nismo with stock diff. Only mods were axle click fix (this sound isn’t that) and z1 diff bushings. I have noticed more wheel hop recently that I thought was unusual.

03-28-2019, 11:56 AM	#7 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 53 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 49	So I’m getting the feeling it’s not normal. I’ll have to inspect further now. Maybe just bite the bullet and throw new parts on it.

03-28-2019, 04:16 PM	#9 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 53 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 49	Yeah, maybe pads... thanks!

03-28-2019, 08:08 PM	#10 (permalink)
obender66 Base Member Join Date: Jun 2015 Location: Toronto Posts: 61 Drives: 2016 370Z Base 6M GM Rep Power: 9	Check if axle center nut is tight. wheel would wobble too if it got loose. Rotate axle by hand and feel where the most feedback from clunk is coming from. With 37k even very hard miles its too early for issues@rear end. My G has 225k km with lots of track and autox time-still on stock axles.If you know anybody close to you with Z ask them to test their car. Z has drivetrain " lash", it might even be normal. Mine clunked since new if I was bit clumsy with clutch at very low speeds- like parking. __________________ 2016 370Z Base/Setrab/AEM/Uprev/M7 Japan/Magnaflow/Quaife/Wilwood/300 whp 2003 G35 sedan 6MT(good bye-after 15 years together )

03-28-2019, 09:39 PM	#11 (permalink)
SG4247 Track Member Join Date: Oct 2016 Location: OKC Posts: 723 Drives: 2010 touring Rep Power: 4486	Sounds like a CV axle joint... Just have to inspect it real close..

03-28-2019, 11:42 PM	#12 (permalink)
Senna-F1 Enthusiast Member Join Date: Jun 2016 Location: Cary, NC Age: 53 Posts: 425 Drives: 370SC,EliseSC,MR2T Rep Power: 49	Ok got it back on the lift and seems to trace back to the transmission. I posted a new video of this. https://www.icloud.com/sharedalbum/#...0-2203DDD7BDAB Car was in neutral. I think this is what I’ve been hearing while driving slowly on a bumpy road. I thought it was suspension related which is why I had it up in the air in the first place. But everything was tight so now I’m thinking it’s this. :/. I do need a new clutch and my TO bearing is noisy. Surprised my CSC is still ok but I also got the RJM pedal early on which I’ve read helps with the life of csc.

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