Engine Saab B234R

The Swedish company produced the 2.3-liter Saab B234R turbo engine from 1993 to 1997 and installed it on the 9000 model in two versions: 225 hp for manual transmission or 200 hp for automatic transmission. This motor was the most powerful in the line and was equipped with a TD04HL turbine with a boost of 1.08 bar.

2.3-liter H-series engines: B234E, B234i, B234R, B235E, B235R.


Production years 1993-1997
Displacement, cc 2290
Fuel system distributed injection
Power output, hp 200 – 225
Torque output, Nm 294 – 342
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 90
Piston stroke, mm 90
Compression ratio 9.25
Features Trionic 5
Hydraulic lifters yes
Timing drive chain
Phase regulator no
Turbocharging MHI TD04HL
Recommended engine oil 5W-30
Engine oil capacity, liter 4.0 (together with an oil change in the cooler, 5.4 liters are needed)
Fuel type petrol
Euro standards EURO 2
Fuel consumption, L/100 km (for Saab 9000 1996)
— city
— highway
— combined
Engine lifespan, km ~300 000

The engine was installed on:

  • Saab 9000 I in 1993 – 1997.

Disadvantages of the Saab B234R engine

  • This is a very reliable motor, most breakdowns occur at high mileage.
  • The block of balancers delivers the bulk of the trouble, many simply remove it.
  • If the spark plugs are changed infrequently, the ignition cassette may burn out.
  • Timing chain stretching or oil pump wear occurs only after 250,000 km.
  • Rare cases of engine failure due to unscrewed connecting rod caps were recorded.

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