PLANT Posted January 9, 2018 Report Share Posted January 9, 2018 Hi there, I have noticed a thud or unusual sound from the back\rear left of car in my RHD car at about 60-80kmhs and also turning left it increases? The tyres are inflated correctly and underneath looks fine. I did notice a loose\hanging "wire connection" at the very back in between the bumper and the car shell(directly behind the mud guard.....seems to be hanging there and not sure is dislodged from correct position but I don't think it is the cause of the noise. There is no lights on dash or error codes, no shudder or performance changes just a noise that sounds "doof doof"...not the normal outside wind noise and the windows are up\radio off. Any suggestions or ideas? Link to comment Share on other sites More sharing options...
PLANT Posted January 9, 2018 Author Report Share Posted January 9, 2018 Mechanic says it's tyre noise...which I have not had with same tyres before? Mentioned rear sway bar but he says it's not making a noise that he expects. I showed him drivers seat belt that he said unroadworthy to sell but not an issue at moment to keep using. Rang Volvo here and they want $393AU for a new one as comes with pre-tensioner in a kit Link to comment Share on other sites More sharing options...
flyfishing31568908306 Posted January 9, 2018 Report Share Posted January 9, 2018 never heard of a seat belt going out. able to show pics? Link to comment Share on other sites More sharing options...
PLANT Posted January 24, 2018 Author Report Share Posted January 24, 2018 Link to comment Share on other sites More sharing options...
PLANT Posted March 13, 2018 Author Report Share Posted March 13, 2018 So getting Drivers Side Seat belt...the part here cost $400AU Is the following normal for the base of the area of the seatbelt...that grey plastic square? Link to comment Share on other sites More sharing options...
PLANT Posted July 9, 2018 Author Report Share Posted July 9, 2018 So back to my back left rear tyre noise..... Definitely 55-80kms\hr seems the internet says most likely tyres but they are pilot 3 and last set never made this train track noise? Think only 40k on them..... Have rotated tyres Next is to have someone drive behind to see if any thing looks odd.... Feeling no different in steering wheel..... Link to comment Share on other sites More sharing options...
PLANT Posted December 31, 2018 Author Report Share Posted December 31, 2018 Still got issue and reckon bearing? Service in less than 2K will try and get them to sort it out........at 100km and below 60kms not noticeable...wheels aligned and plenty of tread? Link to comment Share on other sites More sharing options...
flyfishing31568908306 Posted January 8, 2019 Report Share Posted January 8, 2019 these cars eat wheel bearing for lunch. your issue doesn't sound exactly it, but who knows. Link to comment Share on other sites More sharing options...
PLANT Posted February 24, 2019 Author Report Share Posted February 24, 2019 Has got worse and worse....now under 60Km\hr....took to mechanic and said yep, Rear Wheel bearing, I say left he says right from riding in car. Will aim to get both replaced. I noticed it 10K ago but he said tyre noise! Will let you know the cost after Tuesday as 255k service day........ Link to comment Share on other sites More sharing options...
PLANT Posted February 26, 2019 Author Report Share Posted February 26, 2019 So the Right Bearing was "Cactus"...... Original part was $451.30....aftermarket $120 Second one (Rear) on S40 car the mechanic had done in 30 years of servicing Volvo cars. Back to silent driving again! But he mentioned the "Alternator belt" was making a noise and should be replaced sooner than later.......said it is a special order for different car series???? Link to comment Share on other sites More sharing options...
flyfishing31568908306 Posted March 4, 2019 Report Share Posted March 4, 2019 alt belt work is stupid expensive done at the shop at least. Link to comment Share on other sites More sharing options...
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