The Volvo B8444S 4.4-liter V8 engine was produced at the plant in Japan from 2005 to 2010 and was installed in the second-generation S80 sedan and XC90 crossover with automatic transmission. Such a power unit was developed and produced by the Japanese company Yamaha Motor Corporation.
Specifications
| Production years | 2005-2010 |
| Displacement, cc | 4414 |
| Fuel system | injector |
| Power output, hp | 315 |
| Torque output, Nm | 440 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 94 |
| Piston stroke, mm | 79.5 |
| Compression ratio | 10.4 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | Dual VVTi |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.7 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Volvo XC90 2008) — city — highway — combined |
19.9 9.8 13.5 |
| Engine lifespan, km | ~500 000 |
| Weight, kg | 210 |
The engine was installed on:
- Volvo S80 II (124) in 2006 – 2010;
- Volvo XC90 I (275) in 2005 – 2010.
Disadvantages of the B8444S engine
- This is a very reliable power unit and the main disadvantage is fuel consumption.
- The most expensive motor problem is the wear of the balance shaft bearing.
- Riding with a humming bearing will usually cause the chain to jump and the valves to bend.
- It is also a large and heavy engine, which reduces the life of the supports and subframe.
- Gaskets quickly tan from overheating and leaks appear from under the valve covers.
Frequently asked questions about the Volvo B8444S
How much power does the Volvo B8444S make?
The Volvo B8444S develops 315 hp and 440 Nm of torque.
How much oil does the Volvo B8444S take and which one?
Engine oil capacity: 6.7 liters. Recommended oil: 5W-30.
Does the Volvo B8444S have a timing belt or chain?
The Volvo B8444S uses a timing chain.
Is the Volvo B8444S turbocharged?
No, the Volvo B8444S is naturally aspirated.
Does the Volvo B8444S need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Volvo B8444S last?
The typical lifespan of the Volvo B8444S is ~500 000 km with proper maintenance.
What is the fuel consumption of the Volvo B8444S?
Volvo XC90 2008: city 19.9, highway 9.8, combined 13.5 L/100 km.
What cars was the Volvo B8444S installed on?
Volvo S80 II (124) in 2006 - 2010; Volvo XC90 I (275) in 2005 - 2010.
What are the common problems of the Volvo B8444S?
This is a very reliable power unit and the main disadvantage is fuel consumption. The most expensive motor problem is the wear of the balance shaft bearing. All known problems.
