Happy Owner of an Infiniti QX70s Ultimate with 21" Turbine Wheels

John Everitt

Member
Car
Infiniti QX70S Ultimate
Name
John Everitt
Good day to fellow members, most of my life I have been involved with marine craft, merchant and Royal Navy.
Cars owned in the UK, Hillman Imp, Ford Capri, BMW 7, Jaguar S type and now an Infiniti QX70s Ultimate. Overseas, Pontiac GTO, Chevrolet Capris, BMW.
Whilst many of the motoring magazines did not rate this car, I can only state that from new in 2016 and having covered 36,000 miles, no issues found, with the exception of the below problem. Mind you, this car was discounted by £20,000, as Infiniti discontinued the model for the EU, at that time. After the 3 year warrantee expired, I took out a 5 year warrantee with the local Infiniti approved service centre at a cost of £27 per month which includes collection and return and 10% discount of parts.
Fuel consumption around town 28mpg and on motorways 42mpg.

Recently whilst rotating the wheels front to rear, one of the lock nuts seized and had to be forced off using blunt force.
I ordered a full replacement set of lock nuts which when received I noticed that they were not of the same design as the OEM fitted which were of the taper cone type but these were flat. A close up inspection of the design of the wheel hub showed that they had been pressed to accept a flat type wheel nut and not a cone shaped; my previous Infiniti EX30 did have a wheel hub pressed for a tapered cone wheel nut and the locking nuts and wheel nuts matched.

This matter was take up with Infiniti EU who simply stated that at the last service there was no report of any problems with the wheels or wheel nuts.

Appreciate if anyone has information if this presents a safety hazard, having cone shaped locking nuts fitted to a tyre hub which has been pressed with flat faces.

Attached if the part of the letter to Infiniti EU.

Regards

John
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I would only use the OEM nuts on these wheels
I have seen people use the cone nuts on these and because they do not seat properly the will elongate the holes over time and ruin the wheel or cause an accident
Nissan dealers will have the same lock nuts if you do not have an Infiniti dealer anymore
 
Replace them, the flat type will eventually cause stress on the wheel studs and cause them to fail.
 
Definitely get the Infiniti/Nissan wheel nuts. One of my rims got destroyed with the non Nissan ones and the only thing that kept the wheel on was the wheel lock
 
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