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Mechanic topping up the engine oil in a car engine
Technical guide

1.2 PureTech problems: wet timing belt, oil pressure and oil consumption

What can go wrong, how to recognise it and what you can do about it.

By the workshop team at Autobedrijf Willemsbrug in Rotterdam. Updated on .

The short answer

The best-known problems with the 1.0 and 1.2 PureTech engine from Peugeot, Citroën, DS Automobiles and Opel are linked to the wet timing belt: a belt that runs in the engine oil and can wear too early. Loose particles from the belt can block the oil strainer. The oil pressure then drops and the engine can suffer serious damage. If the red oil pressure warning light comes on, switch off the engine as soon as it is safe to do so and do not drive any further.

Autobedrijf Willemsbrug, Boterdiep 11 in Rotterdam-IJsselmonde, replaces the wet timing belt and cleans the oil strainer for € 995, € 1,095 or € 1,250, including VAT. Call +31 10 479 00 00 with your registration number. We will then check which engine your car has and which price applies.

Nederlands? Deze pagina is er ook in het Nederlands. Lees het technisch dossier over problemen met PureTech-motoren.

If you drive a Peugeot, Citroën, DS or Opel with a petrol engine, your car may have a 1.0 or 1.2 PureTech engine. These engines are economical. But on some of the older versions, the timing belt wears too early. Some also use a lot of oil.

We see these engines regularly in our workshop in Rotterdam, for example during a service for your Peugeot, Citroën, DS or Opel. The complaints range from “my oil light flickered for a moment” to the warning “Engine fault: have the vehicle repaired”.

In this guide, we explain what can go wrong technically and how to recognise the warning signs. You can also read how to reduce the risk of engine damage. Whether the problem affects your car depends on the year of manufacture, the engine code and the version.

1. What is a wet timing belt?

The timing belt makes sure the engine's valves and pistons move at the right moment. On most engines with a timing belt, the belt runs dry on the outside of the engine block, behind a plastic cover.

On certain PureTech engines, the belt runs inside the engine, through the engine oil. This is called a wet timing belt, also known as belt-in-oil. The manufacturer also calls these engines EB engines: EB0 is the 1.0 and EB2 is the 1.2.

On paper, this design has two advantages:

2. Why does the belt wear too early?

On paper, a wet timing belt works well. In practice, the belt wears too early on certain engine variants. The engine oil has a lot to cope with: high temperatures, moisture, combustion residues and sometimes petrol that gets into the oil. Old oil and oil with the wrong specification put extra strain on the belt.

This is how it can happen:

  1. The oil deteriorates. On lots of short journeys, the oil does not get warm for long enough. Moisture and petrol then stay in the oil.
  2. The belt is affected. The material can become softer or porous, or start to swell.
  3. The belt starts to break up. Small pieces of the top layer come loose and end up in the engine oil.

How quickly this happens varies by engine variant and depends on how the car is serviced and used.

3. The biggest risk: a blocked oil strainer

A mechanic's hands working on an engine with a spanner

Many people are mainly worried that the timing belt will snap. That can happen. But a belt that is breaking up can also cause major damage.

The danger is at the bottom of the engine

The loose particles sink to the lowest point of the engine: the sump. This is where the oil pump draws in the oil. In front of the pickup pipe is a fine mesh, the oil strainer. This mesh stops dirt from getting through.

If the oil strainer gets blocked, the oil pump does not get enough oil. The oil pressure drops. The turbo, the camshafts and the crankshaft bearings are then no longer lubricated properly.

Driving on with oil pressure that is too low can cause serious engine damage. Sometimes the engine cannot be repaired afterwards.

4. How do you recognise the warning signs?

The tricky part is that the car often seems to drive normally, until it suddenly goes wrong. So look out for these warning signs.

Warning sign What could it mean? What should you do?
Red oil pressure warning light, even if it only comes on briefly Too little oil or oil pressure that is too low, for example because of a blocked oil strainer. Switch off the engine as soon as it is safe to do so. Do not drive any further.
A warning about the oil pressure, an “engine fault” message or a fault code about the oil pressure A problem with the oil pressure, the oil pump, the sensor or the wiring. Do not drive any further if the warning is about the oil pressure. Have the fault codes read and the oil pressure measured.
A brake pedal that suddenly feels heavy A problem with the brake servo or the vacuum pump. Do not drive on. This is about your safety.
A rattling or ticking noise from the engine The engine may not be lubricated properly. Switch off the engine and have the car checked.
The engine stutters or loses power The engine may not be lubricated properly, or the timing may no longer be running correctly. Do not drive any further and have the car checked.
You often need to top up the oil Wear, contamination or a leak. Keep an eye on the oil level and book an appointment for a diagnostic check.

The oil pressure warning light flickers briefly

The red oil pressure warning light can come on briefly in a bend or when you brake hard. This can be caused by too little oil. It can also be due to the oil strainer, the oil pump, the oil pressure sensor or the wiring.

Stop in a safe place as soon as possible and switch off the engine. Check the oil level as described in the owner's manual, if it is safe to do so. Do not drive any further with the red oil pressure warning light on. Have the cause investigated.

Fault codes stored in the engine computer

Some 1.2 PureTech engines store fault codes about the oil pressure, oil pressure control or the oil pressure sensor. What a code means depends on the engine variant and the engine control unit's software.

P15A1 and P15A8 can relate to oil pressure control or an oil pressure fault. P0521 is a general code for an abnormal signal from the oil pressure sensor. That code is not specifically linked to the wet timing belt.

A fault code is a clue, not a diagnosis. That is why we also look at the live data and measure the actual oil pressure. Possible causes include:

If your engine warning light is on, also read our explanation of an engine warning light that is on. We read the fault codes and measure the oil pressure as part of a car diagnostic check in Rotterdam.

Heavy brake pedal

If the brake pedal suddenly feels hard, or you need to press much harder to brake, there may be a problem with the brake servo or the vacuum pump that goes with it.

On some versions, this vacuum pump is lubricated with engine oil. Dirt in the oil can then also affect the brake servo. Whether this can happen on your car depends on the engine variant.

This is about your safety. Do not drive on and have the cause found as soon as possible.

5. Which cars have this engine?

The 1.0 and 1.2 PureTech engines are fitted to many models from Peugeot, Citroën, DS Automobiles and Opel. But not every model and not every version has the same engine. So the model name alone does not tell you enough. We check it using your registration number, the engine code and the year of manufacture. You will often find a badge such as PureTech 82, 110 or 130 on the car or in its documents.

Peugeot

Citroën

DS Automobiles and Opel

Which cars do not have a wet timing belt?

The Toyota Proace City can have an engine from the PureTech family. That depends on the version.

These lists are not complete. Other models from these brands can also have a 1.2 PureTech engine. If your car is not listed, call us with your registration number.

Not sure which engine your car has?

Call us with your registration number. We will then check which engine and which type of timing drive your car has.

Call +31 10 479 00 00

6. High oil consumption

Some 1.2 PureTech engines use a lot of oil. If you need to top up a litre every 1,000 kilometres, that is a lot and a reason to have it investigated.

Can the timing belt be to blame? Yes, but it does not have to be. There are other possible causes:

Which repair is needed depends on the cause and on the damage we find. Sometimes fixing a leak is enough. Sometimes the turbo, the piston rings or the engine itself needs repairing. With a diagnostic check, we find out what is going on with your car.

7. The right oil and petrol

Engine oil: the specification matters

“5W30 goes in anything, doesn’t it?” With these engines, it is not that straightforward. We regularly see cars where there is no way to tell which oil has been used.

It is not only the viscosity of the oil that matters, such as 0W20, 0W30 or 5W30. Above all, it is about the specification the manufacturer prescribes. Two examples:

The newest engines may need yet another Stellantis specification. You will find the right oil for your car in the service booklet. We can also look it up for you using the registration number or the engine code.

The prescribed oil is matched to the materials inside the engine. So oil that only has the right viscosity is not automatically suitable. The wrong specification can damage the timing belt. Read more about oil changes in Rotterdam and the oil we use.

Short journeys

If you mainly drive short distances, the oil does not get warm for long enough. Moisture and petrol stay in the oil and the oil ages faster. So take a longer drive regularly and have the car serviced on time.

Petrol: E10 or E5?

E10 contains up to ten per cent ethanol. E5 contains up to five per cent. Some owners choose to fill up with E5, often Euro 98 (98 octane), for example because they do not drive much. E5 does not stop the timing belt from wearing.

Use the petrol that the manufacturer prescribes or approves for your car.

8. Is a check or campaign enough?

There have been checks and technical campaigns for certain cars. Some of these have the code JZR. Which campaign applies to your car, and what it involves, differs from car to car.

During such a check, the mechanic measures the belt through the oil filler cap. The mechanic then checks whether the belt has become wider or has swollen.

Many customers then think: “My car has been checked and passed, so I’m safe.” That is only partly true:

So a check from a year ago says little about the situation now. If in doubt, ask which check was carried out and what advice came with it. Also ask the dealer whether there is still an open campaign or recall for your car. If you have doubts about a diagnosis or advice from another garage, you can come to us for a second opinion in Rotterdam.

Will the manufacturer pay for the repair?

Yes, under certain conditions and only through an authorised repairer for the brand. Since March 2024, Stellantis, the group behind Peugeot, Citroën, DS and Opel, has had a scheme for older generations of the 1.0 and 1.2 PureTech engine. According to Stellantis, the manufacturer covers the full costs, subject to conditions, if the timing belt wears too early or if the engine uses too much oil. This applies up to ten years or 180,000 kilometres.

The manufacturer sets the conditions. For example, the car must have been serviced according to the service schedule. The assessment and the repair go through an authorised repairer for the brand. So a repair at our garage is not covered by this scheme.

Our advice: first ask a main dealer whether your car qualifies, before you book an appointment. If your car does not qualify, for example because of its age or mileage, we will be happy to help.

You can find the current conditions from your brand, for example on Peugeot Netherlands' page about the PureTech scheme, and in the explanation from the ANWB, the Dutch motoring organisation. This information dates from November 2026 and may change.

9. When does the wet timing belt need replacing?

That depends on the engine variant and the year of manufacture. The manufacturer's instructions for your car are the starting point. According to the ANWB, the interval was originally 175,000 kilometres or ten years. Dealers now advise a check at 100,000 kilometres or six years.

For certain engine variants, we advise a shorter interval ourselves: 80,000 kilometres or five years. That is our workshop advice. It may differ from the official service schedule.

If you already have symptoms, such as an oil pressure warning light, a fault message or high oil consumption, have the car checked first. If your car has a dry timing belt, read our page about timing belt replacement on other cars.

10. How we tackle it

Why a new belt on its own is not enough

If the old belt is damaged, belt particles may already be in the oil and in the lubrication system. That is why we look at more than the belt. We also check the oil, the oil strainer and the lubrication system.

Our approach in six steps

  1. Diagnosis. We read the engine control unit and measure the oil pressure if needed. We also look at your symptoms, the engine variant and the servicing the car has had.
  2. Replacing the belt. We remove the old timing belt and also replace the rollers that come with the timing belt kit.
  3. Removing the sump. We take off the sump. This gives us access to the oil strainer and the bottom of the engine.
  4. Cleaning. We clean the oil strainer and the inside of the sump. We remove any belt particles and other dirt we can reach. We then check for signs of further contamination or damage.
  5. Vacuum pump. Some versions have a vacuum pump for the brake servo that is lubricated with engine oil. If the diagnosis gives reason to, we also check that pump and its oil supply.
  6. Fitting and filling. We fit a belt and parts that are right for your engine. We then fill the engine with oil that meets the prescribed specification.

This reduces the risk that belt particles left behind will block the oil supply again. We can only tell whether the engine is already damaged after the diagnosis and the check. If we find damage, we first discuss with you what is needed and what it costs.

11. How much does the repair cost?

The price depends on the model and engine. It includes VAT, labour, the timing belt kit, gaskets, engine oil, the oil filter and cleaning the oil strainer.

Model and engine Price including VAT
Compact models and versions without a turbo Peugeot 108 1.2, 208, Citroën C1 1.2, C3, Opel Corsa (from 2019) € 995
Crossovers and SUVs with a PureTech engine Peugeot 2008, Citroën C4 Cactus, C3 Aircross, Opel Crossland, Opel Mokka (second generation, from late 2020) € 1,095
Larger models and turbo versions with the 1.2 PureTech Peugeot 308, 3008, 5008 and Partner, Citroën C4, C4 Picasso and Berlingo, DS 3, DS 4 and DS 7, Opel Grandland € 1,250

If your compact car or crossover has a turbo engine, the higher price may apply. We will tell you this in advance.

What is not included in the price?

Once we have checked your registration number, engine code and version, we confirm which price applies to your car. If your model is not listed, or you drive a Ford 1.0 EcoBoost, call us for a quote.

We usually need the car for one day. You get a warranty on our repairs. When we give you the quote, you will hear which warranty applies.

If your car is also due for its APK (MOT), the Dutch periodic roadworthiness test, mention this when you book. We will then see whether the APK for your Peugeot, Citroën, DS or Opel can be done in the same appointment. We carry out the APK Monday to Friday.

Prevent more serious engine damage

Have the belt and the lubrication system checked in good time, especially if you have symptoms or if the service schedule says the belt is due for replacement.

See the prices and how it works Call +31 10 479 00 00

Frequently asked questions about PureTech engine problems

No need to click. All the answers are shown in full below.

How can I tell if a wet timing belt is worn?

You cannot see it from the outside. The clearest signs are a red oil pressure warning light that comes on briefly, a warning about the oil pressure, an engine fault and a brake pedal that suddenly feels heavy. On certain engines, a mechanic can measure the belt through the oil filler cap. That measurement tells you something about the width of the belt, but nothing about the oil strainer. You only know for sure after a check in the workshop.

Can I keep driving if the oil pressure warning light is on?

No. If the red oil pressure warning light is on or flashing, switch off the engine as soon as it is safe to do so. Without enough oil pressure, the engine is not lubricated properly and serious damage can happen within a short time. Check the oil level if it is safe to do so and have the cause investigated before you drive again.

Which cars have a wet timing belt?

Certain 1.0 and 1.2 PureTech engines from Peugeot, Citroën, DS Automobiles and Opel. Examples are the Peugeot 208, 2008, 308 and 3008, the Citroën C3, C4 and Berlingo, the DS 3 and DS 7 and the Opel Corsa (from 2019), Crossland and Grandland. Not every version has the same engine. The mild hybrid PureTech engines from 2023 onwards have a timing chain and no wet belt. Call us with your registration number and we will check it for you.

When does the wet timing belt need replacing?

That depends on the engine variant and the year of manufacture. According to the ANWB, the interval was originally 175,000 kilometres or ten years, and dealers now advise a check at 100,000 kilometres or six years. For certain engine variants, we advise a shorter interval ourselves: 80,000 kilometres or five years. That is our workshop advice and may differ from the official service schedule. If you already have symptoms, have the car checked first.

Why does my PureTech engine use so much oil?

There can be several causes. Belt particles and other dirt in the oil can make the piston rings stick. Oil then gets into the combustion chamber and is burnt along with the fuel. A leak, a faulty turbo or a problem with the crankcase ventilation can also increase oil consumption. With a diagnostic check, we find out what is going on with your car.

Which oil does a 1.2 PureTech engine need?

That depends on the engine variant and the year of manufacture. It is not only the viscosity of the oil that matters, such as 0W20 or 0W30, but above all the manufacturer's specification. Examples are PSA B71 2010 and PSA B71 2312. Oil with the wrong specification can damage the timing belt. You will find the right oil for your car in the service booklet. We can also look it up for you using your registration number.

My belt passed a check. Is that enough?

No. A measurement through the oil filler cap only tells you about the belt at the time of the check. The oil strainer at the bottom of the engine is usually not inspected. If the check was some time ago, or you have symptoms, have the car checked again.

What do fault codes P15A1, P15A8 and P0521 mean?

On certain engines, P15A1 and P15A8 can relate to oil pressure control or an oil pressure fault. P0521 is a general code for an abnormal signal from the oil pressure sensor. That code is not specifically linked to the wet timing belt. A fault code is a clue, not a diagnosis. That is why we also measure the actual oil pressure.

Will the manufacturer pay for the repair?

Yes. That is possible under certain conditions. Stellantis has a scheme for older generations of the 1.0 and 1.2 PureTech engine. Under this scheme, the manufacturer covers the costs if the timing belt wears too early or if the engine uses too much oil, up to ten years or 180,000 kilometres. The assessment and the repair go through an authorised repairer for the brand. A repair at our garage is not covered by this scheme. So first ask a main dealer whether your car qualifies. If your car does not qualify, we will be happy to help.

Which Peugeot 108, Citroën C1 and Toyota Aygo versions have a wet timing belt?

Only the Peugeot 108 and the Citroën C1 with the 1.2 engine have a wet timing belt. The versions with the 1.0 engine have a Toyota engine with a timing chain. In the Netherlands, the Toyota Aygo was only sold with that 1.0 engine, so it does not have a wet timing belt.

How much does it cost to replace the wet timing belt?

At Autobedrijf Willemsbrug in Rotterdam, it costs € 995, € 1,095 or € 1,250. The price depends on the model and engine. It includes VAT, labour, the timing belt kit, gaskets, engine oil, the oil filter and cleaning the oil strainer. It does not cover the water pump or any damage that is already there. You can see all prices on our page about wet timing belt replacement.

Appointments and directions

You book an appointment by phone. We work by appointment, but for a quick question or check you can walk in without one. You can drop your car off between 8.00 and 8.30 am, Monday to Friday, and at 9.00 am on Saturday. We call you when the car is ready. You can pay by debit card (contactless too) or cash, but not by credit card.

Address

Autobedrijf Willemsbrug B.V.
Boterdiep 11
3077 AW Rotterdam

Phone: +31 10 479 00 00

You will find us in Rotterdam-IJsselmonde, close to Stadion Feijenoord (De Kuip) and exit 24 Rotterdam-Feijenoord on the A16. You can park for free in front of the garage if there is space.

Directions

Opening hours

  • Monday to Friday 8.00 to 17.30
  • Saturday 9.00 to 15.00
  • Sunday Closed

We are closed on Christmas Day, Boxing Day and New Year's Day.

Rotterdam family business since 1979. Our score is 4.8 / 5 from 235 reviews. Read our customer reviews.

You may also be interested in: wet timing belt replacement, timing belt replacement on other cars, car servicing and the APK.