galaxyg Posted October 10, 2020 Share Posted October 10, 2020 My Z has been doing this for a long time but it took me a while to figure out the circumstances, i.e steering right. Any suggestions welcome. I am no mechanical expert. So there's this low drone from the front of the car. Feels like on the drivers side but hard to tell exactly. 2 seconds on, 2 seconds off, over and over. Only when you turn the wheel to the right - even by 0.5 deg it's enough to activate the drone. Turn left or go straight. No drone. Occasionally when turning right, no drone. Volume does not increase with speed of car or angle of turn. 2 second cycle does not appear to change frequency with speed of car or angle of turn. I'm needing some new tyres shortly so I'll see what that does, but I have a feeling it's not them. Quote Link to comment Share on other sites More sharing options...
Azurez33 Posted October 10, 2020 Share Posted October 10, 2020 does it do it on idle? or have to be driving? have you had a look at power steering fluid? Zs are common for steering pumps/ racks because of well you know why, is it literally like some vibrating? Or more of a rumble? Could also be potentially looking at a pulley of sorts Quote Link to comment Share on other sites More sharing options...
galaxyg Posted October 10, 2020 Author Share Posted October 10, 2020 (edited) 3 hours ago, Azurez33 said: does it do it on idle? or have to be driving? have you had a look at power steering fluid? Zs are common for steering pumps/ racks because of well you know why, is it literally like some vibrating? Or more of a rumble? Could also be potentially looking at a pulley of sorts Nothing on idle, it has to be driving for it to happen. It does feel like a vibration. Edited October 10, 2020 by galaxyg Quote Link to comment Share on other sites More sharing options...
Azurez33 Posted October 10, 2020 Share Posted October 10, 2020 Hmm interesting, could be a belt pulley potentially, ruled out wheel bearing with description, is there a change with temperature? like mornings cold etc Quote Link to comment Share on other sites More sharing options...
Stewal Posted October 12, 2020 Share Posted October 12, 2020 I wouldn't be at all surprised if this was tyres or a wheel issue. Particularly as you say they are worn. If the tyre size allows it, maybe try swapping fronts to back and see what happens. I had very similar with a previous car: sounded for all the world like an intermitent wheel bearing issue but it was the tyres. Quote Link to comment Share on other sites More sharing options...
galaxyg Posted October 12, 2020 Author Share Posted October 12, 2020 (edited) On 10/10/2020 at 23:12, Azurez33 said: Hmm interesting, could be a belt pulley potentially, ruled out wheel bearing with description, is there a change with temperature? like mornings cold etc Tried it this morning, it's undetectable at lower speeds. New tyres being fitted on Wednesday morning, will test after that. Edited October 12, 2020 by galaxyg Quote Link to comment Share on other sites More sharing options...
galaxyg Posted October 18, 2020 Author Share Posted October 18, 2020 So far so good on the new tyres. I really need to get it onto a motorway to be sure but on A roads at higher speeds, so far nothing. Quote Link to comment Share on other sites More sharing options...
The Bounty Bar Kid Posted October 19, 2020 Share Posted October 19, 2020 It's the wheel hub Quote Link to comment Share on other sites More sharing options...
galaxyg Posted November 15, 2020 Author Share Posted November 15, 2020 At the moment, I can detect no noise now, even at motorway speeds. Hopefully tyres have solved it. Quote Link to comment Share on other sites More sharing options...
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