B8444S engine — Volvo 4.4 (4.4L)
4.4L · 315 hp
Engine overview
Vehicles with this engine
Factory specifications
Values from the manufacturer documentation for this engine.
Engine (general)
| Engine code | B 8444 S |
| Capacity | 4414 cc |
| Idle speed | 675 rpm |
| Oil pressure | 0.6 / 675 4.0 / 4000 bar/rpm |
| Capacity | 4413 cc |
| Oil pressure | 1.0-2-0 / 675 2.3-3.7 / 2000 > 4.0 / 4000 bar/rpm |
Engine (petrol)
| Fuel system (make and type) | Denso |
| Number of cylinders | 8 |
| Firing order | 1-8-4-3-6-5-7-2 |
| Spark plugs (make and type) | Volvo 30731383 |
| Spark plug gap | 1.1 mm |
| Lambda | 0.97 – 1.03 |
| CO at fast-idle speed | < 0.3 % |
Cooling system
| Cap pressure | 1.5 bar |
| Thermostat opens at | 90 °C |
Electrical
| Battery | 70 / 90 Ah |
| Battery | 120 / 170 Ah |
| Alternator | 180 A |
| Battery | 60 / 70 / 80 / 90 Ah |
Capacities
| Engine sump, incl. filter | 6.7 l |
| Automatic transmission | TF-80SC AWD |
| Gearbox refill | 3.0 l |
| Initial filling | 7.0 l |
| Differential, 4WD rear | 0.7 l |
| Cooling system | 10.7 l |
| Power steering | 1.0 l |
| Air-conditioner refrigerant | 1000 g |
| Air-conditioner refrigerant | 1300 g |
| Air-conditioner compressor oil | 180 ml |
| Air-conditioner compressor oil | 200 ml |
Torque settings
| Cylinder head bolts — Stage 1 | 40 Nm |
| Cylinder head bolts — Stage 2 | 90 Nm |
| Knock sensor | 20 Nm |
| Inlet manifold | 19 Nm |
| Spark plugs | 25 Nm |
| Oil filter | 25 Nm |
| Oil plug | 50 Nm |
| Crankshaft gearwheel — Stage 1 | 120 Nm |
| Crankshaft gearwheel — Stage 2 | 360 ° |
| Crankshaft gearwheel — Stage 3 | 50 Nm |
| Crankshaft gearwheel — Stage 4 | 90 Nm |
| Oxygen sensor | 45 Nm |
| Wheel bolts | 140 Nm |
| Automatic transmission drain plug | 35 Nm |
Emissions
| Emission code | 70/220*2003/76B |
| Emission standard | Euro 4 |
| CO2 average | 322 g/km |
| CO | 0.211 g/km |
| HC | 0.045 g/km |
| NOx | 0.032 g/km |
| CO | 0.226 g/km |
| HC | 0.070 g/km |
| NOx | 0.024 g/km |
| CO2 average | 317 - 322 g/km |
| CO | 0.197 - 0.226 g/km |
| HC | 0.044 - 0.070 g/km |
| NOx | 0.024 - 0.034 g/km |
Workshop procedures for this engine
Step-by-step procedures from the workshop database.
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TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
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The story behind TorqFix →Workshop data on this page last updated 22 Aug 2026.