terryleopard Posted January 24, 2016 Share Posted January 24, 2016 Hi all. I've got a couple of annoying noises that I was wondering if anyone could identify on my 2008 Focus CC3. The most worrying is a loud high pitch humming sound that starts at about 65mph get louder and then vanishes when I go over 70 it seems to resonate through the whole car. I'm thinking it's either going to be tyre noise or wheel bearings but I'm not sure. It doesn't seem to change when I steer (which I would assume that bearing would do) The other noise is a pretty annoying vibrating / rattle that seems to be coming from around where the driver seatbelt comes out from the interior trim. The kicker being that the first noise seems to exacerbate the rattle through some kind of sympathetic vibration and I end up in a rattling howling mess when Im at motorway speed. Anyone got any ideas as to 1 what the first noise might be and 2 how to fix the annoying interior rattle? Quote Link to comment Share on other sites More sharing options...
Ste-vie-b Posted January 24, 2016 Share Posted January 24, 2016 Try switching the tyres/wheels front to rear then left to right. If that alters-changes or stops your noises then it is more than likely one or more mis-shaped tyre. If not check drive-shaft universal joints or C/Visit joints for wear. They could be running eccentric. That would create such a noise. Hope this helps! Steve. :-) Quote Link to comment Share on other sites More sharing options...
williamweb Posted January 25, 2016 Share Posted January 25, 2016 Does no harm to have your wheels inspected and balanced.If you can take the trim off sound deadening material will eliminate noise and vibration. Sent from my iPad using Ford OC Quote Link to comment Share on other sites More sharing options...
terryleopard Posted February 14, 2016 Author Share Posted February 14, 2016 Thanks for the advice in this thread. Here is my update on the situation. A few days after posting I coincidentally got a really bad puncture and while inspecting my tyres the guy at the local tyre place told me that my two rear tyres were quite badly out of shape.They were really cheap no name type tyres anyway so I decided to have them all changed for some Uniroyals. The whining noise has now completely gone, yay! I still get the annoying interior rattle from time to time on rough roads which I need to attempt to track down. 1 Quote Link to comment Share on other sites More sharing options...
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