Since I have purchased this car I've had problems I got it when it had 21000 k and now it has 31000 from day one it was and still making this clicking noise when I hit 30 mph and I goes one if I press the gas more I have taken it to the dealer and they said it's the back plate and that ALL QX80 do that ! OMG so I took a test drive on a other qx80 and the noise was not there so now I'm waiting for a appointment it's been 3 weeks now and nothing and today I look at the front grill and its peeling I'm no not happy with this car after paying 80k I'm live in Toronto Canada the car still have 3 years manufacture warranty is there any one else I can call because this dealer ship is by far the worst I've doubt with

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One option is calling Infiniti Customer Service directly. Here is the link.
Contact Us | Infiniti Canada

I'm not sure which dealer your working with but looks like 3 in the Toronto area, so you can also try to speak with service advisor from one of the others:
Downtown Toronto
Alta Infiniti in Woodbridge
Infiniti of Willowdale

I think that the peeling grill may be an issue with these. I had also started to see that on my 13 QX56. I never asked my service adviser about it, though.

I never experienced the clicking noise you describe. That's definitely something that you should have the dealer look at.

Thank you guys for the help

Good advise to give since sometimes they can do much more for us than what people at the dealership can do. By default it should be where people go when not getting help from any dealer.

So the dealer got back to me and they will be replacing the front grill and as far as the noise it's called a spark knock they said that I should be using premium gas and it should go away so I'm going to start using that I wasn't using that cheapest gas I was putting the medium gas so let's c what happens

Glad to see you got some resolution on this!

Hopefully premium gas actually solves the issue and not after a few tanks but immediately. But if its a case of that you can always try throwing in an octane booster to speed up the process.

Keep us posted on how it goes.

But i'll leave this right here:

I have had my grille replaced twice for the chrome finish peeling/discolored...under warranty, of course. The job took about 30mins. as I waited for it. The service writer said the manu. process had been changed, and to not expect it to reoccur. So far, so good at 2yrs.
As per gas...mine displays a noticeable loss of power when using 87ron regular, so I keep it at least 50%/50% Premium/Regular. Right now regular is $1.799...Premium is $2.209. No problem ever w/pre-ignition 'tho, even when using pure Regular.

I had mine changed once already, and it's done it again. I have around 96K miles on my QX80 now. I wonder if they will replace it under warranty?