Engine Volvo B5254T6

The 2.5-liter turbo Volvo B5254T6 engine was assembled at the plant in Sweden from 2006 to 2009 and was installed only on two models of the company: the second generation S80 or the third generation V70. This power unit was installed on the popular Ford Kuga crossover under the HYDB index.

The 5-cylinder 2.5-liter Modular engine family includes: B5252S, B5254S, B5254T, B5254T2, B5254T3, B5254T4, B5254T6.

The engine was installed on:

  • Volvo S80 II (124) in 2006 – 2009;
  • Volvo V70 III (135) in 2007 – 2009.


Production years 2006-2009
Displacement, cc 2522
Fuel system injector
Power output, hp 200
Torque output, Nm 300
Cylinder block aluminum R5
Block head aluminum 20v
Cylinder bore, mm 83
Piston stroke, mm 93.2
Compression ratio 9.0
Features DOHC
Hydraulic lifters no
Timing drive belt
Phase regulator Dual CVVT
Turbocharging BorgWarner K04
Recommended engine oil 5W-30
Engine oil capacity, liter 5.5
Fuel type petrol
Euro standards EURO 4
Fuel consumption, L/100 km (for Volvo S80 2008)
— city
— highway
— combined
Engine lifespan, km ~320 000

Disadvantages of the B5254T6 engine

  • The main problem with this engine is the failure of the phase control system;
  • Often there is lubricant consumption due to clogged crankcase ventilation or turbine shaft wear;
  • All kinds of pipes often burst, especially the one that goes to the turbocharger;
  • Change the timing belt more often than the scheduled 120,000 km, or if it breaks, the valves will bend;
  • Other weak points: water pump, camshaft seals, fuel pump, engine mounts.

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