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  #61  
Old 28-01-2017, 01:25 PM
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Bakes Bakes is offline
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Originally Posted by npgazza View Post
Hi all. I have the same vibration on my STX np300. 80- 110km/h and the thing gets a vibration through the seats and cab. I'm so over it!. perfect new bitumen highway up to the sunny coast and it's wobble city!
Toyo tyers had 'flat spot removal procedure done. no different. Bought new all terrains, no different. Dealer swapped rims and tyers from another np300, same type. Was better, but needs to be tested on the same road that i experience the vibration. Put mine back on, shocking. Dealer has acknowledged that "yes we have a problem". If the tailshaft is out of balance, where do i get that checked?
If it is still under warranty it is Nissans responsibility to get the tail shaft checked, especially since they acknowledged the problem.
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  #62  
Old 19-12-2017, 06:55 AM
kylejamesstat kylejamesstat is offline
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So I was wondering if anyone ended up with an answer for this and is it resolved now
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  #63  
Old 24-12-2017, 02:07 AM
Maxnp Maxnp is offline
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I've been trying to find out the same thing, mine has the 100 to110km vibration and just starting to go through the process of trying to get it sorted with Nissan.
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  #64  
Old 12-03-2018, 11:37 AM
L3T5G04x4 L3T5G04x4 is offline
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Vibration in my Nissan Navara 2017 ST 4x4 auto 1.5 months old, its, not shaking like mad as some of you but a I can hear a vibration, only feel slight vibration from 90-95km/h, more audible at 100km/h peaks at 105 km/h and on 110km same noise level as 100km.h, at 120km/h its similar to 90km/h almost bearable. Best described as a big diesel train sound in the distance but present in the cab (very annoying on a long journey at 100 - 110km/h)

I replaced tyres with A/T straight from the dealer so never had change to hear problem on original tyres , I visited the tyre centre before taking it to the dealer to check balance(wheels were rebalanced and no change to vibration), with 1000 km service I brought vibration issue to their attention, workshop foreman went with me on a drive and heard what I was talking about after a while and said they'll will have a look (personally I thought prop shaft), I left it there for a few days. Picked car up and they said it was the tyres I fitted, they fitted another set from a new Navara and apparently resolved issue....what I thought would happen.

I kept the original tyres so suggested to service manager it could be the rims after reading post here and they should re-fit original tyres to eliminate tyres/rims. Left car there for a week. After many calls finally gave me update that its not the tyres, as noise was still present with original tyres and that they have continued to fault find and narrowed it down to the diff.

Nissan have requested audio recording (use microphone magnets to track the noise/vibration down)from dealer workshop, I'm waiting for answer in the mean time Dealer offered me a Brand New Demo to drive around, 4x4 Auto SL, and YES its doing the same thing not quite as loud as mine? Mine was build Sep 2017 at Plant 6 ( Not sure where that is), Demo built July 2017 also at Plant 6. Any one with updates in this issue?

Also check your chassis welds , spots of paint missing and rust appearing like mine, its also present on the Demo and show room units?

Last edited by L3T5G04x4; 12-03-2018 at 11:49 AM.
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  #65  
Old 12-03-2018, 08:32 PM
LJG LJG is offline
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I understand you guys are all under warranty, but has anybody actually removed a tailshaft and put it in to be balanced? Nissan will only change them with another one, not send them out for balancing.
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Np300 SL Vibration
  #66  
Old 16-03-2018, 05:49 AM
L3T5G04x4 L3T5G04x4 is offline
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Hi LJG, nope still early days for me, Ill let them try and sort it before I tinker around and void warranty. I'll make the suggestion to them though. Latest Update is they are waiting for Nissan's approval to remove front drive shaft and do test drive, so I guess the diff is of the table again, its been there for almost three weeks....argh
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  #67  
Old 17-03-2018, 09:26 PM
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Czechmate Czechmate is offline
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Hi guys
Just thought I'd chip in with my story as it may be relevant.
Ive got a 2007 d40 which i understand had a different engine, diff and transmission but bear with me
When I bought it in 2013 with 25k on the clock, it had a shudder at 100-110 kph too
After talking to lots of people and reading about the issue i discovered it was the transmission getting a vibration up when the torque converter locked in at ~95kph
I changed the fluid to Valvoline maxlife auto trans fluid and the vibration went away over the following few weeks.

Are all you guys driving automatics?
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Np300 SL Vibration
  #68  
Old 19-03-2018, 05:22 AM
L3T5G04x4 L3T5G04x4 is offline
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Default Np300 SL Vibration

Hi Anand. Mine is an Auto.

Thanks for the suggestion, with mine I don't think that will solve the issue, nor do I think the Nissan Workshop would put other oil in the box other than what is prescribed by manufacturer due to warranty

See I have done the following experiment on a long straight:

- brought it up to speed 120km/h
-proceeded to put in in Neutral
- turned the engine off, no I did not turn the key all the way you don't want to lock the steering
- and no there weren't any cars around so I didn't need to brake without assistance of the booster as it's not under vacuum with engine off
no judgement please I know all the risks involved, but I needed to isolate the torque converter Auto Box and Engine flywheel.
-With everything nice and quiet coming to 105km the vibration peaked as before, what does that tell me (Prop shaft)
- Started car back up , brought the revs up to 2000rpm and slipped back in D no worries.

Does this experiment entirely exclude the Torque converter whilst free wheeling (I know this is no different to towing an auto which you shouldn't do without removing the pro shaft), I'm not 100% sure as I'm not that familiar with Auto Boxes, I know the Prop shaft would be turning, presume the gearbox main shaft was turning but with no gears engaged the torque converter in theory wasn't engaged....your thoughts anyone with auto box experience, does free wheeling exclude the torque converter as a problem?

Last edited by L3T5G04x4; 19-03-2018 at 05:38 AM. Reason: Spelling anf forgot heading
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  #69  
Old 19-03-2018, 11:01 AM
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Old.Tony Old.Tony is offline
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There are two parts to the torque converter.

The input side turns when the engine turns. Turning off the engine stops that.

The output side turns when the gearbox drives it. Placing the gearbox in neutral stops the output side.

The bigger concern with doing that is the oil pump in the gearbox is driven by the output side (attached to the input shaft, but that's what the torque converter output shaft is connected to). This means that no oil is pumped through the gearbox while you're in neutral and the engine is off.

However, putting that aside, your assumption is correct and your test is therefore valid. The TC isn't responsible for the vibration. Because you've negated everything forward of the gearbox output shaft, the conclusion must be that your vibration is coming from one of the drive shafts, an axle or a wheel/tyre.
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Np300 SL Vibration
  #70  
Old 20-03-2018, 08:26 AM
L3T5G04x4 L3T5G04x4 is offline
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Default Np300 SL Vibration

Hi Old.Tony thanks for that insight I am very familiar with manuals but was just not 100% sure on the Auto. Wont be doing that all the time that's for sure. I just freewheeled for 20 seconds max and wouldn't expect any harm done, I did not consider the oil pump not turning in my test though....what oil pump.... I hope Nissan workshop track down the source of vibration I just don't want it back if they don't, my money is still on a drive shaft.
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