Droning noise at speed

MuppetCheck

I'm having an issue with the car, between 105-125kph there's a pulsating droning noise. Each time it lasts for maybe a second and is continuous. It builds up to its loudest and then dies off and starts again.

First idea was it was the tyres. The garage thought the same and so I lived with it. New tyres over the last month and it's still there, at the same speeds and if anything is now louder. It doesn't really bother me as most of my driving is in 100 limits but having done a 6 hour motorway trip at the weekend it grated on me.

The cars only coming up to 30k km and it's been in it since I got it.

The Falcon

Could be a wheel bearing.

MuppetCheck

That's what I thought, bit early for one to fail mind.

NyOmnishambles

Wouldn't happen to be a bent/loose wiper blade/arm vibrating at speed, might be something like that if it has been an issue from new and only happens at speed

Not the best of sources but I remember an episode of Top Gear when they were on a European jaunt and a buzzing noise in a Ferrari was driving Jeremy demented, turned out that someone had leant on the wiper blade in the factory and bent it and it was vibrating at speed, lifting away from the windscreen and back down again

MuppetCheck

No, definitely not wipers anyway! I was thinking possibly something sticking somewhere maybe.

toyotaavensis

whats the car?
could be bearings in gearbox or a noisy alternator bearing etc too

MuppetCheck

141 Leon FR diesel. I'm hoping it's something loose, I haven't noticed any vibration through the box though but it's something that crossed my mind certainly.

toyotaavensis

if it is that new I would suspect the gearbox is fine and the likes of the alternator bearings shouldnt be wearing out.
I would be looking towards wheel bearings even though they should last longer than this.
Have you taken it back to the garage you bought it from?

MuppetCheck

Yeah, booked in for a look again Friday. I reckon they'll swap the wheels to see if it's still present or something. Deliberately went for a different brand of tyre to avoid this noise again so if it is the tyres I'll be rightly p1ssed off.

MuppetCheck

Took it in today, gave me an ST to try out. Very quiet at speed so they're taking it in next week for a more detailed look. Hopefully it's just a bearing or something.

MuppetCheck

Just off the phone to the garage and they're 90% sure it's the front left wheel bearing. Can't wait to have rid of that noise.

ofcork

The left gets more of the rough edges on the roads,still early for one to be gone.

MuppetCheck

ofcork wrote: »

The left gets more of the rough edges on the roads,still early for one to be gone.

Yeah, I'm careful though and religiously avoid any bumps. Reckon it's just a dud part from the factory. Noticing the some difference with the loaner FR I have. Whisper quiet going along compared to what mine was.