After an incident insurers are face with a bit of maths; is a vehicle worth repairing or is the damage se potentially expensive to fix that a write-off decision is made? Sometimes it isn’t all about bodywork damage or battery pack cell structures either. A wet belt being due soon could mean a vehicle’s value is actually much lower than a comparable model with an immaculate service history – and the belt recently done. Here are some insights from Scrap Car Comparison;
New scrap data from Scrap Car Comparison has shown a sharp rise in two manufacturers commonly fitted with wet belt engines: Vauxhall scrappage up 48% and Ford up 18% between 2024 and 2025, with popular models including the Ford Fiesta, Ford Focus, Vauxhall Astra and Vauxhall Corsa among those most affected. Ford has also reduced the service intervals on wet belt Transit vans.
The figures come as Scrap Car Comparison is seeing costly wet belt and engine repairs contribute to the decision to scrap vehicles that may otherwise have remained on the road.
While these vehicles can still be technically repairable, Scrap Car Comparison says the cost of wet belt and subsequent engine repairs can push them beyond economic repair – sending vehicles into the scrap and salvage market that may otherwise have remained on the road. Car Scrappage expert Matt Clamp, from the UK’s large scrap car marketplace Scrap Car Comparison, says wet belt problems can start appearing from around 40,000 – 60,000 miles, although he has seen failures in cars with only 20,000 miles.
However, Matt says this is where the cost of a wet belt problem becomes most important. Once an older car needs thousands of pounds of work, owners can quickly reach the point where repairing it costs more than the car will be worth afterwards.
The latest Department for Transport figures reveal the average licensed car in the UK is now 10 years old, up 14% since 2020 – meaning more vehicles are reaching an age where a major engine repair can represent a significant proportion of, or even exceed, the car’s value.
Unlike some mechanical problems that give drivers plenty of warning, a deteriorating wet belt can cause damage inside the engine before the owner realises anything is wrong.
photo; whitmooreauto.
In some cases, Matt warns the oil warning light can appear just seconds before the engine fails. A wet-belt replacement can cost around £1,500 at a local garage or £2,500 through a main dealer, but if the engine has already been damaged, owners could face a £5,000 to £6,000 bill for a replacement engine, which Matt says is often the outcome once the engine has failed.
Matt Clamp, car scrappage expert at Scrap Car Comparison, shares:
“The difficult thing with these is that you don’t really know whether the belt has caused further damage until the garage starts working on the car.
“You could be looking at around £1,500 to replace the wet belt locally, or closer to £2,500 at a main dealer. But if they start the work and find it’s caused more serious engine damage, that’s when the cost can really start going up.
“If the damage is bad enough that you need a new engine, Ford can charge around £5,000 to £6,000.
Once the car gets to around 10 years old or 80,000 miles, that’s when you really need to look at whether it makes financial sense to repair it. You can end up spending more replacing the belt or repairing the engine than the car is actually going to be worth afterwards.
That’s when we see cars coming through for scrap. They might technically be repairable and otherwise have plenty of life left in them, but when the engine repair is worth as much as or more than the car, it just doesn’t make financial sense for the owner.
“As more cars with wet belt engines get older, I think we could start seeing more of them coming through for scrap because of engine failure, rather than because the rest of the car has reached the end of its life.
“That’s the interesting thing for the industry. Some of these aren’t necessarily what you’d think of as an end-of-life car. One major repair bill has just made them financially unviable to keep on the road.”
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