Engine Volvo B4204S

The company produced the 2.0-liter 16-valve Volvo B4204S engine from 1995 to 1999 and installed it on pre-styling versions of the S40 sedan and the first generation V40 station wagon. The modification with a phase regulator was called B4204S2, and on Renault models it had the N7Q index.

The 2.0-liter Modular engine family includes: B4204S, B4204T, B5202S, B5204T, B5204T8.

The engine was installed on:

  • Volvo S40 I (644) in 1995 – 1999;
  • Volvo V40 I (645) in 1995 – 1999.


Production years 1995-1999
Displacement, cc 1948
Fuel system injector
Power output, hp 140
Torque output, Nm 183
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 83
Piston stroke, mm 90
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 S40 1999)
— city
— highway
— combined
Engine lifespan, km ~330 000

Disadvantages of the B4204S engine

  • This version of the motor without phase control was the simplest and most reliable in the series;
  • On specialized forums, they often complain about the oil burner and clogged crankcase ventilation is to blame;
  • The timing belt often serves less than the prescribed 90,000 km, and when it breaks, the valves bend;
  • A broken alternator belt is also dangerous here, as it usually falls under the timing belt;
  • Hydraulic lifters do not tolerate cheap lubricants and can knock up to 100,000 km.

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