Total information
Engine codes:
- 1796 cc3 engine with variable valve timing (Valvetronic) — N42B18
- Engine 1895 cm3 - M43TUB19
- Engine 1995 cm3 with variable valve timing mechanism (Valvetronic) - N42 B20
Cylinder diameter:
- Engine N42 B18 - 84.00 mm.
- Engine N42 B20 - 84.00 mm
- M43TU engine - 85.00 mm
Stroke:
- Engine N42 B18 - 81.00 mm
- Engine N42 B20 - 90.00 mm
- M43TU engine - 83.50 mm
Maximum engine power:
- Engine N42 B18 - 85 kW at 5500 rpm
- Engine N42 B20 - 105 kW at 6000 rpm
Engine M43TU:
- High power option - 87 kW at 5500 rpm
- Reduced power option - 77 k8t at 5300 rpm
Maximum motor torque:
- Engine N42 B18 - 175 Nm at 3750 rpm
- N42 B20 engine - 200 Nm at 3750 rpm
Engine M43TU:
- High power option - 180 Nm at 3900 rpm
- Low power option - 165 Nm at 2500 rpm
Direction of motor rotation - clockwise (looking at the engine from the front)
Location of the 1st cylinder - from the side of the gas distribution chain
The order of operation of the cylinders is 1-3-4-2
Minimum compression - 9.0... 12.0 bar
Compression ratio:
- Engine N42B18 - 10.25
- Engine N42 B20 - 10.00
- Engine M43TU - 9.7
Balance shafts
Gear clearance:
- M43TU engine - 0.06-0.09 mm
Camshafts
- Axial play - 0.085- 0.150 mm
Lubrication system
Minimum oil pressure at idle:
- Engine N42 - 1.0 bar
- M43TU engine - 0.5 bar
Pump rotor clearances:
- The gap between the outer rotor and the pump housing is 0.120-0.196 mm
- Axial play of the inner rotor - 0.020-0.065 mm
- Axial play of the outer rotor - 0.040-0.090 mm