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Np300 stx vibration
  #1  
Old 28-08-2016, 04:53 AM
D23 D23 is offline
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Default Np300 stx vibration

G'day everyone.
I'm new to the forum and hope that somebody can help me out.
I bought my new NP300 STX in January this year. It has had a vibration problem from new. The dealer originally acknowledged this. They have swapped wheels and tail shaft. I've lost count how many wheel balances it's had. I traded a D40 V6 4lt petrol in on the NP300. That was my first mistake, the D40 rode much better on sealed roads.
Now that I'm no longer being helped by Nissan, I took the car to another tyre specialist who said that there is noting wrong with wheels and tyres and as far as he's concerned its a vehicle problem, take it up with Nissan. But Nissan say the vibration is within their parameters. It's horrible to drive on the highway.
Any clues?
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  #2  
Old 28-08-2016, 05:07 AM
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happy john happy john is offline
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Could be a multitude of problems, have they removed the front driveshaft and tested it on road with it removed?.
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Old 28-08-2016, 05:28 AM
D23 D23 is offline
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If they did test it with front driveshaft removed they didn't tell me. They have had my ute for a full week on two occasions plus plenty of day only inspections.
I asked if they have checked engine mounts and suspension etc., they say they have gone over every nut and bolt on the whole thing and couldn't track it down. But who really knows what they did.
It's now a process of elimination ,so I will try your suggestion providing it's something I can do in my driveway. I never anticipated having to play mechanic with a brand new $60k car.
Thanks for the advice, much appreciated.
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Old 28-08-2016, 05:40 AM
jonney jonney is offline
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no stuff that , the car is only approx 7 months old so what i would be doing would be to have them either fix the car or supply another new np-300 . your car has heaps of waranty time left on it and at its young age plus the cost of this , i would be wanting action now.
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Old 28-08-2016, 05:45 AM
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It's worth a try the fact is your diff is spinning all the time, the tailshaft out of balance or faulty wheels/tyres is the first thing to check. I doubt they thought to check the front driveline, regardless it is poor service. From past experience another dealer may make more effort to resolve a problem. As the wheels and tailshaft have been swapped I'm not able to think of anything else, perhaps someone will have another idea.
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Old 28-08-2016, 05:47 AM
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Agree with jonney too, I'd look myself as a last resort.
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Old 28-08-2016, 05:56 AM
D23 D23 is offline
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The problem I have with the dealer is this.
They couldn't resolve the problem, so they contacted Nissan Australia.
Nissan Australia told them to take the car to a tyre specialist who can do a road force balance. They did this and then got a smartphone app which records road vibration. They took my car for a drive, recorded the readings, sent it to Nissan, they said it's ok so the dealer said my case is closed and they will take no further warranty action.
Trouble is, I don't know where they drove it or how fast. The vibration is really bad at 100kph, just drives me crazy. So much so that I've only done 7000k's since January, I hate driving it. A far cry from the Cape York trip that I bought it for.

I welcome any advice on this issue.
Thanks again.
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Old 28-08-2016, 06:24 AM
jonney jonney is offline
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why don,t you go to the dealer where you bought this car and tell him to come for a drive so you can let him feel the vibs its making. this way both you will know yes there is a bad vib plus the dealer will understand your complaint and proceed further from there. unfortunetly you have to nearly lick there arses to get any decent satisfaction these days but and i say but you can let nissan know you will proceed higher with this if the car is not fixed or replaced within 1 week.
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Old 28-08-2016, 07:01 AM
D23 D23 is offline
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Thanks for that.
But I have been at the dealer and they have come for a drive. I have had the service manager and head mechanic agree that there is a problem.
After they had the tyres road force balanced their vibration meter read "acceptable" so they won't do any more. So I'm in a position that I can't argue with the vibration monitor. To achieve this acceptable reading the front drivers side wheel was loaded up with more lead than I've ever seen on a wheel. They loaned me a ST and an RX and both of these drove really well. So I asked if I could borrow the 16" wheels off one of those utes to see how it goes and in turn see if my wheels turn the ST into a dog, but they wouldn't come at it, saying Nissan said mine is ok, which is a load of crock.
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  #10  
Old 28-08-2016, 07:35 AM
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Vibration Meter . is that more accurate than a human being or beings sitting in a vehicle at 100 kph coping with an enoying vibration that is not exceptable.
bloody hell whats going on here.
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