The 1.8-liter Volvo B4184S2 engine was produced at the concern’s enterprise from 1999 to 2004 and was installed on the first generation of the popular S40 sedan and the similar V40 station wagon. There was a less powerful modification of this motor under its own index B4184S3.
R4 1.6-2.0 L Volvo Modular family: B4164S, B4164S2, B4184S, B4184S2, B4194T, B4204S, B4204T.
Specifications
| Production years | 1999-2004 |
| Displacement, cc | 1783 |
| Fuel system | injector |
| Power output, hp | 122 |
| Torque output, Nm | 170 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 82.4 |
| Compression ratio | 10.3 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | at the intake |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.4 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Volvo S40 2002) — city — highway — combined |
11.0 6.0 7.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 130 |
The engine was installed on:
- Volvo S40 I (644) in 1999 – 2004;
- Volvo V40 I (645) in 1999 – 2004.
Disadvantages of the B4184S2 engine
- The main thing here is to monitor the condition of the timing belt, since when it breaks, the valves bend;
- The phase regulator valve often leaks and grease pours onto the belt, reducing its life;
- Also, the valves bend when the ribbed belt breaks, which often gets into the timing;
- Oil consumption occurs regularly, mainly due to clogged crankcase ventilation;
- Another weak point of this motor is the pump and the camshaft position sensor.
Frequently asked questions about the Volvo B4184S2
How much power does the Volvo B4184S2 make?
The Volvo B4184S2 develops 122 hp and 170 Nm of torque.
How much oil does the Volvo B4184S2 take and which one?
Engine oil capacity: 5.4 liters. Recommended oil: 5W-30.
Does the Volvo B4184S2 have a timing belt or chain?
The Volvo B4184S2 uses a timing belt.
Is the Volvo B4184S2 turbocharged?
No, the Volvo B4184S2 is naturally aspirated.
Does the Volvo B4184S2 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 B4184S2 last?
The typical lifespan of the Volvo B4184S2 is ~300 000 km with proper maintenance.
What is the fuel consumption of the Volvo B4184S2?
Volvo S40 2002: city 11.0, highway 6.0, combined 7.8 L/100 km.
What cars was the Volvo B4184S2 installed on?
Volvo S40 I (644) in 1999 - 2004; Volvo V40 I (645) in 1999 - 2004.
What are the common problems of the Volvo B4184S2?
The main thing here is to monitor the condition of the timing belt, since when it breaks, the valves bend. The phase regulator valve often leaks and grease pours onto the belt, reducing its life. All known problems.
