{"organism":"Page","children":[{"organism":"Container.Raw","children":[{"organism":"Metadata","model":{"title":"What’s that sound – and could it be serious?","text":"For many drivers, a sound from your car can cause a panic. 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Here are the 11 most common sounds your car is likely to make, what they mean and what you need to do about them.\u003C/p\u003E\r\n\r\n\r\n","image":{"src":"https://www.shell.mu/motorists/motoring-tips-and-advice/whats-that-sound-and-could-it-be-serious/_jcr_content/root/main/section/page_header.shellimg.png/1725526518487/always-on-dag-august-tips-website.png","alt":"woman opening hood of car","width":3840,"height":960}},"id":"/content/shell/countries/mauritius/en_mu/motorists/motoring-tips-and-advice/whats-that-sound-and-could-it-be-serious/jcr_content/root/main/section/page_header"},{"organism":"PromoSimple.Text","id":"/content/shell/countries/mauritius/en_mu/motorists/motoring-tips-and-advice/whats-that-sound-and-could-it-be-serious/jcr_content/root/main/section/text","model":{"text":"\u003Cp\u003E\u003Cstrong\u003EThe squeal\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EIf it's coming from under the bonnet, this is likely to be a slipping serpentine or accessory-drive belt – a relatively simple issue that's inexpensive to fix. But don't sit on it because a broken belt could cause more serious damage in time. Squealing from your wheels, either when braking or all the time, is a pointer to a brake-system issue. The solution might be as inexpensive as worn brake pads but a braking specialist needs to assess the issue pronto.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe hiss\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EIf it's coming from under the bonnet and your car feels like it has also lost power, this is probably something as simple as a leaking gasket or hose in the engine's intake system. If it's more constant or continues after shutting the engine down, it could point to a leak in the cooling system and potential overheating problems if not swiftly addressed.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe rattle\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EIf it's coming from underneath your car, this could be something as cheap and easy to repair as a loose exhaust mounting, but if it's coming from the wheels, the suspension – which contains various rubber and other bits that perish over time – probably needs rejuvenation. If it's coming from the engine on start-up, the timing chains could require replacement – if these fail, they'll ruin your engine, so get them checked ASAP.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe clunk\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EUnder-car clunks over bumps are another pointer to a worn-out suspension. 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If your tyres pass inspection, you could be looking at a damaged wheel bearing.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe crunch\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EA crunch while changing gears with a manual transmission is a sign of worn transmission or clutch components and an invitation to seek out a transmission or driveline specialist.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe grind\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EHearing this when you apply the brakes is a pointer to a seriously worn-out braking system, so get to a brake shop fast. Grinding sounds from underneath a car could point to a failed wheel bearing, constant-velocity (CV) joint or something wrong with the transmission or differential – all issues that shouldn't be sat on.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe click-click\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EHearing this as you turn and manoeuvre at low speeds is another sign your car's CV joints are on their way out.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe groan\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EIf your car sounds like an old man getting out of bed whenever you turn the steering wheel, your next turn should be towards a steering specialist for a look at your power-steering pump.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe tappity-tap\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EHearing a tapping sound when you start your engine from cold suggests either a lack of oil getting to its delicate moving bits or the wrong kind of oil. Either can result in serious engine damage if ignored, so check your levels ASAP. If the levels are good but the sound remains, get your mechanic onto the issue fast.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003EThe knock\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EThis sound from your wheels over bumps is yet another sign of worn-out suspension. 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