The 2.5-liter Volvo B5254T4 turbo engine was assembled at the Szövde plant from 2003 to 2007 and installed on charged versions of the S60 and V70 models, which were designated by the R index. A modification of such a turbo engine was installed on Ford Focus RS cars under the JZDA index.
R5 2.5 L Volvo Modular family: B5252S, B5254S, B5254T, B5254T2, B5254T3, B5254T4, B5254T6.
Specifications
| Production years | 2003-2007 |
| Displacement, cc | 2522 |
| Fuel system | injector |
| Power output, hp | 300 |
| Torque output, Nm | 350 – 400 |
| Cylinder block | aluminum R5 |
| Block head | aluminum 20v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 93.2 |
| Compression ratio | 8.5 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | Dual CVVT |
| Turbocharging | KKK K24 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Volvo S60R 2005) — city — highway — combined |
14.5 8.2 10.5 |
| Engine lifespan, km | ~240 000 |
| Weight, kg | 180 |
The engine was installed on:
- Volvo S60 I (384) in 2003 – 2007;
- Volvo V70 II (285) in 2003 – 2007.
Disadvantages of the B5254T4 engine
- The main complaints of the owners here are related to failures in the phase control system;
- Often there is a decent consumption of lubricant due to clogged crankcase ventilation;
- After 150,000 km, the main culprit of the oil burner is the wear of the turbine shaft;
- The timing belt may not pass the prescribed 120,000 km, and when it breaks, the valves bend;
- The weak points of the motor also include a pump, a thermostat, a gasoline pump and its supports.
Frequently asked questions about the Volvo B5254T4
How much power does the Volvo B5254T4 make?
The Volvo B5254T4 develops 300 hp and 350 - 400 Nm of torque.
How much oil does the Volvo B5254T4 take and which one?
Engine oil capacity: 5.5 liters. Recommended oil: 5W-30.
Does the Volvo B5254T4 have a timing belt or chain?
The Volvo B5254T4 uses a timing belt.
Is the Volvo B5254T4 turbocharged?
Yes, the Volvo B5254T4 is turbocharged (KKK K24).
Does the Volvo B5254T4 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 B5254T4 last?
The typical lifespan of the Volvo B5254T4 is ~240 000 km with proper maintenance.
What is the fuel consumption of the Volvo B5254T4?
Volvo S60R 2005: city 14.5, highway 8.2, combined 10.5 L/100 km.
What cars was the Volvo B5254T4 installed on?
Volvo S60 I (384) in 2003 - 2007; Volvo V70 II (285) in 2003 - 2007.
What are the common problems of the Volvo B5254T4?
The main complaints of the owners here are related to failures in the phase control system. Often there is a decent consumption of lubricant due to clogged crankcase ventilation. All known problems.






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