Motoring experts are warning drivers of an "engine killer" fault in some of the most popular vehicles in the UK and how they can prevent it from impacting them.
The latest data from the Society of Motor Manufacturers shows that 1.95 million new cars were registered in 2024, with annual sales reaching their highest levels since before the pandemic.
However, experts warn that some cars produced and purchased between 2012 and 2021 could contain a "common component" that could cause serious issues within the vehicle.
Wet timing belts are part of the engine that synchronises the rotation of the crankshaft and camshaft, helping to ensure that valves open and close at the right time.
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The expert warned that issues with wet timing belts could be an 'engine killer'
GETTYA standard timing belt is located outside the engine housing, while a wet belt sits inside it and is constantly lubricated by an oil bath at the bottom of the engine system.
Despite the functionality, wet timing belts are in constant contact with the oil, meaning the belt can degrade at a quicker rate. This can be exacerbated if the wrong type of oil is used.
The wet belt can also deposit small particles from degradation which can be picked up by the oil and circulated through the system.
Mark Barclay, head of e-commerce at My Motor World, warned that this can block or damage important parts of the engine and cause blockages in the system which prevent the engine oil from circulating.
He also warned that many mechanics are less familiar with wet timing belts than other types of belts, meaning issues can be harder to identify and fix.
The spokesperson continued: "Without regular inspections and proper maintenance, wet timing belts can be an engine killer.
"To avoid costly repairs, owners of cars with this type of belt really have to be on it with their maintenance schedule.
"It might be annoying and expensive to keep checking and replacing the timing belt and changing the oil, but it's still cheaper than a new engine - or even a new car. It's a case of spending little and often to avoid spiralling costs further down the line."
A number of popular manufacturers have wet belts installed in some of the best-selling models including Ford, Peugeot, Citroen, Vauxhall, Honda and Toyota.
While some models may contain wet belts, they are not guaranteed to have any issues as Barclay clarified that only vehicles made in certain production years are at risk.
Drivers should look in their owner's handbook to see if their vehicle has a wet belt, as this will also inform them of the correct oil to use. They can also ask a qualified mechanic to inspect the engine.
To combat the issues, experts advise motorists to have regular inspections as issues may occur before the change interval suggested by the manufacturer.
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Drivers are advised to use the correct engine oil to avoid any further issues
PABarclay added: "My advice would be to get regular inspections at a garage that's familiar with them, replace the belt at the first sign of deterioration, and keep that engine oil as clean as possible.
"And only ever use the exact type of oil that the manufacturer recommends."
