The 1.6-liter diesel Toyota 1WW was built in Austria from 2014 to 2018 for the Verso, Auris and Avensis. It is essentially a version of the well-known BMW N47 diesel and produces 112 hp and 270 Nm.
WW family: 1WW, 2WW.
Specifications
| Production years | 2014-2018 |
| Displacement, cc | 1598 |
| Fuel system | Common Rail |
| Power output, hp | 112 |
| Torque output, Nm | 270 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 78.0 |
| Piston stroke, mm | 83.6 |
| Compression ratio | 16.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | BorgWarner KP35 |
| Recommended engine oil | 5W-20 |
| Engine oil capacity, liter | 5.2 |
| Fuel type | diesel |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Toyota Verso 2015) — city — highway — combined |
5.5 3.9 4.5 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 158 |
The engine was installed on:
- Toyota Auris 2 (E180) in 2015 – 2018;
- Toyota Avensis 3 (T270) in 2015 – 2018;
- Toyota Verso 3 (AR20) in 2014 – 2018.
Disadvantages of the Toyota 1WW engine
- The known weak point of this diesel is the short life of the timing chain, and replacing it is expensive because the drive is on the flywheel side;
- The Bosch fuel system is reliable but does not tolerate poor diesel;
- Clogged swirl flaps, EGR valve and particulate filter cause a lot of trouble;
- The engine does not tolerate overheating, up to cracks in the block.
Frequently asked questions about the Toyota 1WW
How much power does the Toyota 1WW make?
The Toyota 1WW develops 112 hp and 270 Nm of torque.
How much oil does the Toyota 1WW take and which one?
Engine oil capacity: 5.2 liters. Recommended oil: 5W-20.
Does the Toyota 1WW have a timing belt or chain?
The Toyota 1WW uses a timing chain.
Is the Toyota 1WW turbocharged?
Yes, the Toyota 1WW is turbocharged (BorgWarner KP35).
Does the Toyota 1WW need valve clearance adjustment?
No, the Toyota 1WW has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Toyota 1WW last?
The typical lifespan of the Toyota 1WW is ~250 000 km with proper maintenance.
What is the fuel consumption of the Toyota 1WW?
Toyota Verso 2015: city 5.5, highway 3.9, combined 4.5 L/100 km.
What cars was the Toyota 1WW installed on?
Toyota Auris 2 (E180) in 2015 - 2018; Toyota Avensis 3 (T270) in 2015 - 2018; Toyota Verso 3 (AR20) in 2014 - 2018.
What are the common problems of the Toyota 1WW?
The known weak point of this diesel is the short life of the timing chain, and replacing it is expensive because the drive is on the flywheel side. The Bosch fuel system is reliable but does not tolerate poor diesel. All known problems.
What engines are related to the Toyota 1WW?
WW family: 2WW.
