The Volvo B6304T4 3.0-liter turbo engine was assembled at the Wales plant from 2010 to 2016 and was installed in charged versions of a number of the company’s models, such as the S60, S80, V60, V70 or XC60. There is a modification of such a power unit with a capacity of 350 hp under the index B6304T5.
Volvo SI6 family: B6304T2, B6304T4, B6324S, B6324S5.
Specifications
| Production years | 2010-2016 |
| Displacement, cc | 2953 |
| Fuel system | injector |
| Power output, hp | 304 |
| Torque output, Nm | 440 |
| Cylinder block | aluminum R6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 82 |
| Piston stroke, mm | 93.2 |
| Compression ratio | 9.3 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual VCT |
| Turbocharging | twin-scroll |
| Recommended engine oil | 0W-30 |
| Engine oil capacity, liter | 6.8 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Volvo S60 T6 2012) — city — highway — combined |
14.5 7.3 9.9 |
| Engine lifespan, km | ~280 000 |
| Weight, kg | 190 |
The engine was installed on:
- Volvo S60 II (134) in 2010 – 2016;
- Volvo S80 II (124) in 2010 – 2016;
- Volvo V60 I (155) in 2010 – 2016;
- Volvo V70 III (135) in 2010 – 2016;
- Volvo XC60 I (156) in 2010 – 2015;
- Volvo XC70 III (136) in 2010 – 2016.
Disadvantages of the B6304T4 engine
- Most owner complaints on specialized forums are related to lubricant consumption;
- Most often, oil oozes from under the vacuum pump or in the area of the timing chain cover;
- A strong whistle under the hood of a car indicates the need to replace the oil separator;
- In the timing drive, the chain runs for a long time, but the bearings and gears of the gearbox do not always;
- Also periodically requires attention block of the pump and power steering, sitting on the same shaft.
Frequently asked questions about the Volvo B6304T4
How much power does the Volvo B6304T4 make?
The Volvo B6304T4 develops 304 hp and 440 Nm of torque.
How much oil does the Volvo B6304T4 take and which one?
Engine oil capacity: 6.8 liters. Recommended oil: 0W-30.
Does the Volvo B6304T4 have a timing belt or chain?
The Volvo B6304T4 uses a timing chain.
Is the Volvo B6304T4 turbocharged?
Yes, the Volvo B6304T4 is turbocharged (twin-scroll).
Does the Volvo B6304T4 need valve clearance adjustment?
No, the Volvo B6304T4 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volvo B6304T4 last?
The typical lifespan of the Volvo B6304T4 is ~280 000 km with proper maintenance.
What is the fuel consumption of the Volvo B6304T4?
Volvo S60 T6 2012: city 14.5, highway 7.3, combined 9.9 L/100 km.
What cars was the Volvo B6304T4 installed on?
Volvo S60 II (134) in 2010 - 2016; Volvo S80 II (124) in 2010 - 2016; Volvo V60 I (155) in 2010 - 2016; Volvo V70 III (135) in 2010 - 2016; Volvo XC60 I (156) in 2010 - 2015; Volvo XC70 III (136) in 2010 - 2016.
What are the common problems of the Volvo B6304T4?
Most owner complaints on specialized forums are related to lubricant consumption. Most often, oil oozes from under the vacuum pump or in the area of the timing chain cover. All known problems.





