Carsieve At a glance
- What it is: VW group 2.0 TSI petrol, gen 3 (mainly 2015-2020), gen 3B (Audi) and gen 4 (evo4). Found in Golf GTI and R, Cupra, Skoda RS, Tiguan and several Audi models.
- Main faults: the plastic water pump and thermostat housing leak, turbos and wastegate actuators (the boost valve) fail, and oil leaks at the cam area and rear seal.
- Reliability: 3/5. The press calls gen 3 relatively trouble-free, but the pump, turbo and leaks are common enough to check on every car.
- DIY: 2/5. The pump job takes 4-8 hours with the intake manifold off.
- Buy: a car with pump and turbo invoices and no open recall. Avoid: low coolant, a P00B7 fault code, or oil in the intake.
Known issues
| Issue | Affects | Typical km | Repair cost |
|---|---|---|---|
| Water pump and thermostat housing leaks | Gen 3 and 3B; gen 4 with updated parts | 15,000-50,000 miles (about 24,000-80,000 km) | 750-1,250 GBP if not covered (UK, 2025) |
| Turbo and wastegate actuator failures | Gen 3, IS20 and IS38 turbos | Not stated | Not stated |
| Oil leaks at the cam area and rear seal | Gen 3 | Not stated | Not stated |
| PCV and oil vapour tank faults | Gen 3; hard-driven and track cars | Not stated | Not stated |
| Carbon on the intake valves | Gen 3 | Not stated | Not stated (about 1.5 extra hours of labour) |
Before you buy
- Coolant and water pump (scanner). Check the coolant level when cold. Look for a puddle under the front centre of the car. Read the stored faults for P00B7 (low coolant flow). Ask for an invoice showing the pump and housing were replaced as one assembly. Bad: low coolant, P00B7, or overheating. A missed leak can wreck the engine: 4,000-15,000 GBP for major damage (UK, 2025).
- Turbo and wastegate (test drive, scanner). Check that boost builds smoothly with no hesitation and no warning light. Ask for turbo or actuator invoices. Bad: boost loss, a warning light, or a turbo replaced with no paperwork.
- Oil in the intake (scanner). Ask whether the car was driven hard or on track. Check for a rough idle, a check-engine light, and oil in the intake. Bad: any of these, or a track history with no service record.
- Oil leaks at the back of the engine (no scanner). Look under the engine and where it meets the gearbox. Bad: oil at the rear seal. The fix needs the gearbox separated from the engine, so the job is large.
Models with this engine
| Brand | Model | Generation | Production years | Power | Engine codes | ADAC versions |
|---|---|---|---|---|---|---|
| Audi | A1 | 8X facelift | 2014–2018 | 231 PS (170 kW) | CWZ | 2 |
| Audi | A1 | GB | 2018–2026 | 200–207 PS (147–152 kW) | DKZ, DNN | 7 |
| Audi | A3 | 8V | 2013–2016 | 300 PS (221 kW) | CJX, DNU | 7 |
| Audi | A3 | 8V facelift | 2016–2020 | 190–310 PS (140–228 kW) | CZP, DJH, DKZ, DNU | 33 |
| Audi | A3 | 8Y | 2020–2024 | 190–310 PS (140–228 kW) | DNF, DNN | 8 |
| Audi | A3 | 8Y facelift | since 2024 | 204–333 PS (150–245 kW) | DNF, DNN | 11 |
| Audi | A4 | B9 | 2015–2018 | 170–252 PS (125–185 kW) | CVK, CVL, CYR, DDW, DLV | 74 |
| Audi | A4 | B9 facelift | 2018–2019 | 150–245 PS (110–180 kW) | CVK, DKN, DMS | 37 |
| Audi | A4 | B9 facelift 2 | 2019–2024 | 150–265 PS (110–195 kW) | DKN, DLV, DMS, DMT | 83 |
| Audi | A5 | F5 | 2016–2019 | 150–252 PS (110–185 kW) | CVK, CVL, CYR, DDW, DKN, DMS | 156 |
| Audi | A5 | F5 facelift | 2020–2024 | 150–265 PS (110–195 kW) | DKN, DLV, DMS, DMT | 114 |
| Audi | A6 | C7 facelift | 2014–2018 | 252 PS (185 kW) | CYP | 4 |
| Audi | A6 | C8 | 2018–2023 | 245–265 PS (180–195 kW) | DKN, DMT | 36 |
| Audi | A6 | C8 facelift | 2023–2025 | 265 PS (195 kW) | DMT | 24 |
| Audi | A7 | 4G facelift | 2014–2016 | 252 PS (185 kW) | CYP | 1 |
| Audi | A7 | 4K | 2018–2023 | 245–265 PS (180–195 kW) | DKN, DMT | 6 |
| Audi | Q2 | GA | 2017–2020 | 190–300 PS (140–221 kW) | DKZ, DNU | 11 |
| Audi | Q2 | GA facelift | 2021–2026 | 190–300 PS (140–221 kW) | DNN, DNU | 13 |
| Audi | Q3 | 8U facelift | 2015–2018 | 180–220 PS (132–162 kW) | CUL | 11 |
| Audi | Q3 | F3 | 2021–2025 | 190–245 PS (140–180 kW) | DNN, DNP | 30 |
| Audi | Q3 | FJ | since 2025 | 204–265 PS (150–195 kW) | DNN, DNP | 8 |
| Audi | Q5 | FY | 2017–2020 | 245–252 PS (180–185 kW) | DAX, DNT | 9 |
| Audi | Q5 | FY facelift | 2020–2024 | 204–265 PS (150–195 kW) | DMS, DPU | 30 |
| Audi | TT | 8S | 2014–2018 | 230–310 PS (169–228 kW) | CHH, CJX | 10 |
| Audi | TT | 8S facelift | 2018–2023 | 197–320 PS (145–235 kW) | DKZ, DNF, DNN, DNP, DNU | 14 |
| CUPRA | Ateca | 1. Generation | 2018–2020 | 300 PS (221 kW) | DNU | 3 |
| CUPRA | Ateca | 1. Generation facelift | 2020–2026 | 190–300 PS (140–221 kW) | DNF, DNN, DNU | 13 |
| CUPRA | Formentor | 1. Generation | 2020–2024 | 190–310 PS (140–228 kW) | DNF, DNN, DNP | 5 |
| CUPRA | Formentor | 1. Generation facelift | since 2024 | 204–333 PS (150–245 kW) | DNFF, DNN, DNP | 12 |
| CUPRA | Leon | 1. Generation | 2021–2024 | 190–310 PS (140–228 kW) | DNF, DNN, DNP | 14 |
| CUPRA | Leon | 1. Generation facelift | since 2024 | 204–333 PS (150–245 kW) | DNF, DNN | 16 |
| CUPRA | Terramar | 1. Generation | since 2024 | 204–265 PS (150–195 kW) | DNN, DNP | 5 |
| Ford | Transit | 7. Generation | 2014–2016 | 125 PS (92 kW) | CYR5 | 20 |
| Ford | Transit Custom | 1. Generation | 2012–2016 | 125 PS (92 kW) | CYR5 | 12 |
| Porsche | Macan | 95B | 2016–2018 | 252 PS (185 kW) | CYP | 1 |
| Porsche | Macan | 95B facelift | 2018–2021 | 245 PS (180 kW) | DKN | 3 |
| SEAT | Alhambra | 7N facelift | 2015–2018 | 220 PS (162 kW) | DED | 7 |
| SEAT | Ateca | 5FP | 2017–2020 | 190 PS (140 kW) | DKZ | 7 |
| SEAT | Ateca | 5FP facelift | 2020–2023 | 190 PS (140 kW) | DKZ | 4 |
| SEAT | Leon | 5F | 2014–2016 | 265–290 PS (195–213 kW) | CJX, DNU | 18 |
| SEAT | Leon | 5F facelift | 2017–2020 | 190–310 PS (140–228 kW) | CJX, DKZ, DNU | 26 |
| SEAT | Leon | KL | 2021–2023 | 190 PS (140 kW) | DNN | 6 |
| SEAT | Tarraco | KN | 2019–2023 | 190–245 PS (140–180 kW) | DKZ, DNN, DNP | 9 |
| Skoda | Karoq | 1. Generation | 2019–2021 | 190 PS (140 kW) | DKZ | 3 |
| Skoda | Karoq | 1. Generation facelift | since 2021 | 190 PS (140 kW) | DNN | 3 |
| Skoda | Kodiaq | 1. Generation | 2017–2020 | 180–190 PS (132–140 kW) | CZP, DKZ | 6 |
| Skoda | Kodiaq | 1. Generation facelift | 2021–2023 | 190–245 PS (140–180 kW) | DNN, DNP | 6 |
| Skoda | Kodiaq | 2. Generation | since 2024 | 204–265 PS (150–195 kW) | DNN, DNP | 3 |
| Skoda | Octavia | 3. Generation | 2013–2016 | 220–230 PS (162–169 kW) | CHH | 8 |
| Skoda | Octavia | 3. Generation facelift | 2017–2020 | 190–245 PS (140–180 kW) | CHH, DKZ, DLB | 46 |
| Skoda | Octavia | 4. Generation | 2020–2023 | 190–245 PS (140–180 kW) | DNN, DNP | 17 |
| Skoda | Octavia | 4. Generation facelift | since 2024 | 204–265 PS (150–195 kW) | DNN, DNP | 14 |
| Skoda | Superb | 3. Generation | 2015–2019 | 220–280 PS (162–206 kW) | CHH, CJX, DNU | 22 |
| Skoda | Superb | 3. Generation facelift | 2019–2023 | 190–280 PS (140–206 kW) | DKZ, DNF, DNU | 31 |
| Skoda | Superb | 4. Generation | since 2024 | 204–265 PS (150–195 kW) | DNN, DNP | 18 |
| VW | Arteon | 1. Generation | 2017–2020 | 190–280 PS (140–206 kW) | DJH, DKZ, DNU | 14 |
| VW | Arteon | 1. Generation facelift | 2020–2024 | 190–320 PS (140–235 kW) | DNF, DNN | 15 |
| VW | Beetle | 2. Generation | 2014–2016 | 220 PS (162 kW) | CUL | 12 |
| VW | Beetle | 2. Generation facelift | 2016–2018 | 220 PS (162 kW) | CUL | 18 |
| VW | Golf | VII | 2013–2016 | 220–310 PS (162–228 kW) | CHH, CJX, CXD, DNU | 18 |
| VW | Golf | VI | 2015–2016 | 220 PS (162 kW) | CUL | 2 |
| VW | Golf | VII facelift | 2017–2020 | 230–310 PS (169–228 kW) | CHH, DJH, DLB, DNU | 26 |
| VW | Golf | VIII | 2020–2024 | 190–333 PS (140–245 kW) | DNF, DNN, DNP | 17 |
| VW | Golf | VIII facelift | since 2024 | 204–333 PS (150–245 kW) | DNF, DNN, DNP | 11 |
| VW | Passat | B8 | 2015–2019 | 220–280 PS (162–206 kW) | CHH, CJX, CXD, DNU | 10 |
| VW | Passat | B8 facelift | 2019–2023 | 190–280 PS (140–206 kW) | DKZ, DNF, DNN, DNU | 14 |
| VW | Passat | B9 | since 2024 | 204–265 PS (150–195 kW) | DNN, DNP | 3 |
| VW | Polo | VI | 2018–2021 | 200–207 PS (147–152 kW) | DKZ, DNN | 5 |
| VW | Polo | VI facelift | 2021–2026 | 207 PS (152 kW) | DNN | 4 |
| VW | Sharan | II facelift | 2015–2018 | 220 PS (162 kW) | DED | 7 |
| VW | T-Roc | 1. Generation | 2017–2021 | 190–300 PS (140–221 kW) | DKZ, DNU | 6 |
| VW | T-Roc | 1. Generation facelift | 2022–2025 | 190–300 PS (140–221 kW) | DNF, DNN | 4 |
| VW | Tayron | 1. Generation | since 2025 | 204–265 PS (150–195 kW) | DNN, DNP | 6 |
| VW | Tiguan | II | 2016–2021 | 180–245 PS (132–180 kW) | DGV, DNJ, DNL, DNP | 27 |
| VW | Tiguan | II facelift | 2020–2024 | 190–320 PS (140–235 kW) | DNF, DNL, DNN, DNP | 19 |
| VW | Tiguan | III | since 2024 | 204–265 PS (150–195 kW) | DNN, DNP | 12 |
In detail
Water pump and thermostat housing leaks
Symptoms. A coolant puddle under the front centre of the car. The low coolant light comes on again and again. Overheating follows if coolant loss is ignored. The fault code P00B7 (low coolant flow) can show.
Cause. The water pump and thermostat housing is plastic. It cracks and leaks at the gasket and where it meets the engine block. Oil that runs down onto the pump speeds up the failure. On the Audi A4 B9 the pump works with an electric thermostat module (N493), which has its own leak path at its motor seal.
Which cars. Gen 3 Golf GTI and R, and gen 3 cars in general, plus the Audi A4 B9. Gen 4 Golf R uses the updated parts from gen 3, but leaks still happen.
Fix. Replace the complete pump and housing assembly, not only the leaking part. Bleed the cooling system with a scan tool afterwards.
Revised parts. Genuine VW water pump 06L 121 012 L, with its gasket. Thermostat 06L121111P. Replacing both together avoids paying the labour twice.
Cost.
- UK, 2025: 750-1,250 GBP if not covered by warranty. Complete aftermarket kit 290-330 GBP. Genuine VW pump 680 GBP or more.
- Germany, 2018: the pump part alone was listed at 128 EUR.
- US: owners claimed 900-1,200 USD for pump repairs (court filing, year not stated).
- Labour: 4-8 hours, with the intake manifold and the fuel line off.
Repeat and preventive work. Some owners need repeat repairs. One UK parts source advises replacement at 30,000-35,000 miles (about 48,000-56,000 km), whatever the symptoms.
Warranty. US cars have a 2020 class action settlement and a VW warranty extension. The terms differ between sources. Germany normally gives two years.
Sources: AUTODOC, Golf 7 water pump and thermostat housing leaks, Top Class Actions, VW water pump settlement, Schmidtis Blog, VW warranty extension, ShopDAP, genuine VW water pump 06L 121 012 L
Turbo and wastegate actuator failures
Symptoms. The garage sources do not list the signs of a failing turbo or actuator.
Cause. Garage sources report turbo failures at a high rate on gen 3 and common actuator failures. They do not name a root cause. The turbo supplier changed from Borg Warner to IHI during gen 3 production.
Which cars. Gen 3 2.0 TSI. The IS20 turbo is fitted to the GTI, A3 and longitudinal Audi cars. The larger IS38 is fitted to the Golf R, S3 and Arteon.
Fix. The actuator is a separate part and can be serviced on its own. Dealers often replace the whole turbo instead. Ask which part was replaced and see the invoice.
Revised parts. Not stated.
Cost. Not stated. No non-owner source gives a price for gen 3 turbo or actuator work.
Sources: Alex's Autohaus, EA888 gen 3 common problems, Rx Mechanic, EA888 gen 3 problems
Oil leaks at the cam area and rear seal
Symptoms. Oil on the engine around the cam area, the upper timing cover and the back of the engine.
Cause. Seals leak at the cam bridge and adjuster, at the upper timing cover and at the rear main seal (the seal at the back of the crankshaft). Valve cover gasket leaks add oil to the water pump area.
Which cars. Gen 3.
Fix. The sources give no fix or price for the cam and cover seals. The rear main seal needs the transmission separated from the engine.
Revised parts. Not stated.
Cost. Not stated.
Sources: Alex's Autohaus, EA888 gen 3 common problems, Rx Mechanic, EA888 gen 3 problems, AUTODOC, Golf 7 water pump and thermostat housing leaks
PCV and oil vapour tank faults
Symptoms. A check-engine light, a rough idle, a loud squealing noise and oil leaks. On cars driven hard on track, oil can be drawn into the intake and damage the engine.
Cause. The breather valve (PCV, the crankcase ventilation valve) fails on all EA888 generations. The oil vapour catch tank on the GTI is too small for hard driving.
Which cars. Gen 3. Hard-driven and track cars carry the most risk.
Fix. The sources give no fix or price for gen 3. Have the PCV valve and the oil vapour tank checked.
Revised parts. Not stated.
Cost. Not stated.
Sources: Alex's Autohaus, EA888 gen 3 common problems, Rx Mechanic, EA888 gen 3 problems, AUTO BILD, Golf VII GTI used test, kolesa.ru, typical EA888 faults
Carbon on the intake valves
Symptoms. Not stated in the sources.
Cause. Carbon builds up on the back of the intake valves and the runner flaps. Gen 3 has less of it than earlier generations, because port injection reduces it, but it still happens.
Which cars. Gen 3.
Fix. Walnut blasting cleans the valves. Garages advise it every 60,000 miles (about 97,000 km).
Revised parts. Not stated.
Cost. Money not stated. The labour adds about 1.5 hours if the intake manifold is already off for another job.
Sources: Alex's Autohaus, EA888 gen 3 common problems, Rx Mechanic, EA888 gen 3 problems, ShopDAP, MK7 Golf R water pump replacement cost, AUTO BILD, Golf VII GTI used test
Recalls
| Country | Code | Years or build range | What is done |
|---|---|---|---|
| Germany and worldwide | Not given | DNF engine in Cupra Ateca, Formentor, Leon and Tarraco, model years 2021-2022; recall dated March 2022 | Engine cover fastening fixed (fire risk); about 30 minutes |
Check the VIN for other open campaigns.
Maintenance
- Oil. Capacity is 5.7 litres on gen 3, per two sources. The oil approval differs between sources, so use the one in your service book.
- Water pump. One UK parts source advises preventive replacement at 30,000-35,000 miles (about 48,000-56,000 km). See Water pump and thermostat housing leaks.
- Intake valves. Walnut blasting every 60,000 miles (about 97,000 km), as garages advise. See Carbon on the intake valves.
Sources
English
- Alex's Autohaus, EA888 gen 3 common problems
- Rx Mechanic, EA888 gen 3 problems
- AUTODOC, Golf 7 water pump and thermostat housing leaks
- ShopDAP, Golf R water pump problems by generation
- ShopDAP, MK7 Golf R water pump replacement cost
- ShopDAP, genuine VW water pump 06L 121 012 L
- ShopDAP, MK7 GTI oil type
- CityScoop, 2017 Audi A4 failing water pump
- Top Class Actions, VW water pump settlement
German
- AUTO BILD, Golf 7 GTI used buy
- AUTO BILD, Golf VII GTI used test
- auto motor und sport, Golf VII GTI used check
- Schmidtis Blog, VW warranty extension
- ADAC, Cupra Ateca recall entry