Wierd Vibration while driving.

Mozen · 10-19-2014, 10:44 AM

Im getting a vibration while driving. Mind you im in Germany so please dont kill me about speeds i describe.

0-50mph nothing

60mph slight vibration in wheel

60-> 80mph vibration increases and is felt though pedals.

80->160mph vibration changes from constant to interval. What i mean is its felt though pedals and wheel as nothing..nothing..nothing....vibration..vibration. .vibration..vibration....nothing nothing nothing

Vibration cycle? from 80->160 does not change with speed its a steady pattern of vibration then nothing then vibration again.

I do not hear any wheel bearing noise, i have no obviously leaking bearings that i can see when i just looked.

I have just rebalanced tires and got an alignment and its still there.

SouthArk370Z · 10-19-2014, 11:01 AM

Warped brake rotor?
Something out of balance in the engine, clutch, trans, driveshaft, or rearend?

Trips · 10-19-2014, 11:50 AM

I would inspect that the u joints on the drive shaft and side shafts on rear end are good.

At those speeds all it takes is something to be off a little to create a vibration.

I honestly would not be pushing those speed with this issue.

Jordo! · 10-19-2014, 01:55 PM

During driving or braking? If when driving, could be slightly uneven tire wear or maybe even slight imperfections in the road itself you are feeling.

How much vibration -- similar to the feel of warped rotors on braking?

wanker · 10-19-2014, 02:57 PM

How old are your tires? I always get vibration issues when the tread on my rear tires gets thin.

Mozen · 10-20-2014, 02:29 PM

Tires are good, still 70% life to them and the rotors are new.

I appreciate the advice not to push it and i wont, i slowly took the speed up to see if it went away or not and then ended up cruising at 60 the rest of the way home.

When you say side shafts you mean half shafts out of the diff?

Ill take a look at the U joints as soon as i can get the car up tomorrow in the air.

Abdulaziz_Z34 · 10-21-2014, 06:42 AM

Well I had almost the same issue.. after I changed the brakepads and made bleeding for the rotors.. the vibration has gone.. also check ur wheels maybe balance is needed..

10-19-2014, 10:44 AM	#1 (permalink)
Mozen Track Member Join Date: Jun 2010 Location: Newport News, VA Posts: 820 Drives: Nissan 370z PW M6 Rep Power: 18	Wierd Vibration while driving. Im getting a vibration while driving. Mind you im in Germany so please dont kill me about speeds i describe. 0-50mph nothing 60mph slight vibration in wheel 60-> 80mph vibration increases and is felt though pedals. 80->160mph vibration changes from constant to interval. What i mean is its felt though pedals and wheel as nothing..nothing..nothing....vibration..vibration. .vibration..vibration....nothing nothing nothing Vibration cycle? from 80->160 does not change with speed its a steady pattern of vibration then nothing then vibration again. I do not hear any wheel bearing noise, i have no obviously leaking bearings that i can see when i just looked. I have just rebalanced tires and got an alignment and its still there. __________________ PW 370z \| AEM \| MISHIMOTO \| ARK PERFORMANCE \| WHITELINE \| NISMO \| STILLEN \| FORGESTAR \| BC RACING \| AMS \| NON STOP TUNING \| CARBONETICS LSD \| 4 Point DOM 1.75" SCCA Spec Roll Bar + Harness Bar CHECK OUT MY BUILD THREAD HERE

10-19-2014, 11:01 AM	#2 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	Warped brake rotor? Something out of balance in the engine, clutch, trans, driveshaft, or rearend? __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

10-19-2014, 11:50 AM	#3 (permalink)
Trips Administrator Join Date: May 2009 Location: Disneyland, Ca Posts: 8,730 Drives: 🔰 Rep Power: 10	I would inspect that the u joints on the drive shaft and side shafts on rear end are good. At those speeds all it takes is something to be off a little to create a vibration. I honestly would not be pushing those speed with this issue. __________________

10-19-2014, 01:55 PM	#4 (permalink)
Jordo! A True Z Fanatic Join Date: May 2010 Location: nirvana Posts: 6,394 Drives: 2023 NATM Rep Power: 418	During driving or braking? If when driving, could be slightly uneven tire wear or maybe even slight imperfections in the road itself you are feeling. How much vibration -- similar to the feel of warped rotors on braking? __________________ Enjoy it. Destroy it.

10-20-2014, 02:29 PM	#6 (permalink)
Mozen Track Member Join Date: Jun 2010 Location: Newport News, VA Posts: 820 Drives: Nissan 370z PW M6 Rep Power: 18	Tires are good, still 70% life to them and the rotors are new. I appreciate the advice not to push it and i wont, i slowly took the speed up to see if it went away or not and then ended up cruising at 60 the rest of the way home. When you say side shafts you mean half shafts out of the diff? Ill take a look at the U joints as soon as i can get the car up tomorrow in the air. __________________ PW 370z \| AEM \| MISHIMOTO \| ARK PERFORMANCE \| WHITELINE \| NISMO \| STILLEN \| FORGESTAR \| BC RACING \| AMS \| NON STOP TUNING \| CARBONETICS LSD \| 4 Point DOM 1.75" SCCA Spec Roll Bar + Harness Bar CHECK OUT MY BUILD THREAD HERE

10-19-2014, 02:57 PM	#5 (permalink)
wanker Enthusiast Member Join Date: Apr 2014 Location: San Diego Posts: 443 Drives: 2011 370Z S/T A7 Rep Power: 2901	How old are your tires? I always get vibration issues when the tread on my rear tires gets thin.

10-21-2014, 06:42 AM	#7 (permalink)
Abdulaziz_Z34 Base Member Join Date: May 2013 Location: Bahrain Posts: 28 Drives: 09' Modded 370z MT Rep Power: 12	Well I had almost the same issue.. after I changed the brakepads and made bleeding for the rotors.. the vibration has gone.. also check ur wheels maybe balance is needed..

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