Wet belt replacement in Millbrook. Done before it costs you the engine.
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On Ford 1.0 EcoBoost, PSA 1.2 PureTech and a growing list of others, the timing belt runs inside the engine in oil. As it ages it sheds rubber into the sump and starves the engine of oil. We replace them by age as well as mileage, and photograph the old belt so you can see why.
Why wet belts fail
A conventional cambelt runs dry, outside the engine. A wet belt runs through the engine oil, which was meant to make it quieter and longer-lasting. In practice the oil, especially if it's the wrong grade or left too long between services, attacks the belt. It goes soft, sheds rubber, and the debris blocks the oil pick-up strainer. The first symptom is often a low-oil-pressure warning, and by then the damage may be done: a starved engine, a failed oil pump, or a belt that finally jumps and bends the valves.
Manufacturers have shortened the intervals on most of these engines since they were launched. The right answer is the interval that applies to your engine and year, which we'll tell you when you give us the registration.
Engines it affects
- Ford 1.0 EcoBoost (Fiesta, Focus, Puma, EcoSport, B-Max, C-Max, Transit Connect and Courier) — the best known.
- Peugeot / Citroën / DS / Vauxhall 1.2 PureTech (208, 2008, 308, 3008, C3, C4, Corsa, Crossland, Grandland and others).
- Ford 1.8 TDCi and 1.5 / 1.6 EcoBlue diesels with a belt-driven oil pump.
- Some VW group 1.0 / 1.2 / 1.4 TSI and Renault / Nissan units. If you're not sure, ask — we check by engine code, not by badge.
Warning signs
- A low oil pressure warning, even briefly, on a car with one of these engines.
- Rubber debris or a black sludge when the oil filler cap or sump plug comes out.
- Rattling or a change in engine note at start-up.
- A "check engine" light with timing or oil-pressure codes.
- No symptoms at all but the car has passed the age or mileage interval — this is the usual case, and the right time to do it.
What we do
- Confirm the interval for your engine code and year, and inspect the existing belt through the filler or with a camera where the design allows.
- Replace the timing belt and tensioner, and the oil pump belt where the engine has one.
- Drop the sump where needed and clean the oil pick-up strainer of old belt debris — skipping this is how a new belt ends up starved too.
- Fresh oil of the exact specification the engine calls for, and a new filter.
- Photograph the old belt and the strainer for your record.
Price: quoted per engine before any work starts, with parts and labour itemised. It's a day's job on most of these cars. Payment Assist can spread it.
Wet belts questions
How often should a wet belt be changed?
It depends on the engine and its year. Ford, for example, has brought the EcoBoost interval down considerably from the original figure, and PureTech intervals have been cut too. Give us your registration and we'll tell you the interval that applies to your car, by years and miles, whichever comes first.
Can I just keep an eye on it?
Not really. The belt degrades inside the engine where you can't see it, and the first sign of trouble is often oil starvation that has already done damage. Age matters as much as mileage; a low-mileage car that is past the years is still due.
Does the oil grade matter?
Yes, a lot. These engines need the exact specification the manufacturer lists, and oil that is old or the wrong grade shortens the belt's life. Every service we do uses the right specification, which is one of the reasons to have it serviced on schedule.
Is it cheaper than a normal cambelt?
Usually not: the belt is inside the engine, the sump often has to come off to clean the strainer, and the oil pump belt is frequently done at the same time. We quote it per engine, with everything itemised, before you commit.