The company produced the 1.8-liter Volvo B4184S gasoline engine from 1995 to 1999 and installed it only on the first generation of the S40 sedan and a similar V40 station wagon before restyling. Versions of this motor B4184S2 and B4184S3 featured a larger piston stroke and volume, respectively.
R4 1.6-2.0 L Volvo Modular family: B4164S, B4164S2, B4184S, B4184S2, B4194T, B4204S, B4204T.
Specifications
| Production years | 1995-1999 |
| Displacement, cc | 1731 |
| Fuel system | injector |
| Power output, hp | 115 |
| Torque output, Nm | 165 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 80 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.4 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Volvo V40 1997) — city — highway — combined |
10.4 6.0 8.0 |
| Engine lifespan, km | ~320 000 |
| Weight, kg | 130 |
The engine was installed on:
- Volvo S40 I (644) in 1995 – 1999;
- Volvo V40 I (645) in 1995 – 1999.
Disadvantages of the B4184S engine
- This modification without a phase regulator is the simplest and most reliable motor in the line;
- Due to clogged crankcase ventilation, a small amount of lubricant is often found here;
- The timing belt resource is often less than 90,000 km, and when it breaks, the valves bend;
- It can also bend the valves if a broken alternator belt gets into the timing;
- In case of engine failures, you need to look at the integrity of the rotor of the camshaft position sensor.
Frequently asked questions about the Volvo B4184S
How much power does the Volvo B4184S make?
The Volvo B4184S develops 115 hp and 165 Nm of torque.
How much oil does the Volvo B4184S take and which one?
Engine oil capacity: 5.4 liters. Recommended oil: 5W-40.
Does the Volvo B4184S have a timing belt or chain?
The Volvo B4184S uses a timing belt.
Is the Volvo B4184S turbocharged?
No, the Volvo B4184S is naturally aspirated.
Does the Volvo B4184S need valve clearance adjustment?
No, the Volvo B4184S has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volvo B4184S last?
The typical lifespan of the Volvo B4184S is ~320 000 km with proper maintenance.
What is the fuel consumption of the Volvo B4184S?
Volvo V40 1997: city 10.4, highway 6.0, combined 8.0 L/100 km.
What cars was the Volvo B4184S installed on?
Volvo S40 I (644) in 1995 - 1999; Volvo V40 I (645) in 1995 - 1999.
What are the common problems of the Volvo B4184S?
This modification without a phase regulator is the simplest and most reliable motor in the line. Due to clogged crankcase ventilation, a small amount of lubricant is often found here. All known problems.





