Technical specifications (Opel Vectra B)

Four-cylinder engine with two overhead camshafts driven by a toothed belt.

Engine
Engine code:
– 1.6 l engine	X16XEL
– 1.8 l engine	X18XE
– 2.0 l engine	X20XEV
Cylinder diameter:
– 1.6 l engine	79.0 mm
– 1.8 l engine	81.6 mm
– 2.0 l engine	86.0 mm
Piston stroke:
– 1.6 l engine	81.5 mm
– 1.8 l engine	86.0 mm
– 2.0 l engine	86.0 mm
Working volume:
– 1.6 l engine	1598 cm³
– 1.8 l engine	1799 cm³
– 2.0 l engine	1998 cm³
Compression ratio:
– 1.6 l engine	10,5:1
– 1.8 l engine	10,8:1
– 2.0 l engine	10,8:1
Power:
– 1.6 l engine	74 kW at 6200 rpm
– 1.8 l engine	85 kW at 5400 rpm
– 2.0 l engine	100 kW at 5600 rpm
.Maximum torque:
– 1.6 l engine	150 Nm at 3200 rpm
– 1.8 l engine	170 Nm at 3600 rpm
– 2.0 l engine	188 Nm at 3200 rpm
Cylinder firing order	1–3–4–2 (cylinder N1 is located on the gear side belt)
Direction of rotation of the crankshaft	Clockwise (if viewed from the toothed side belt)
Camshaft
Axial play	0.04 – 0.15 mm
Cam lift:
– inlet valve:
• 1.6L engine	10.0 mm
• 1.8 and 2.0 l engine	8.5 mm
– exhaust valve:
• 1.6L engine	10.0 mm
• 1.8 and 2.0 l engine	8.0 mm
Lubrication system
Oil pump driven directly from the crankshaft
Minimum allowable oil pressure at idle speed running and with a warm engine	1.5 bar
Clearance between pump gear teeth	0.10 – 0.20 mm
Axial clearance:
– 1.6 l engine	0.08 – 0.15 mm
– 1.8 and 2.0 l engine	0.03 – 0.10 mm

Tightening moments

1.6L engines
Camshaft Bearing Cap Fastening Bolts	8 Nm
Head cover mounting bolts	8 Nm
Camshaft pulley mounting bolt:
- stage 1	50 Nm
- stage 2	turn to an angle of 60°
- stage 3	turn by 15°
Connecting rod lower head cover fastening bolt:
- stage 1	25 Nm
- stage 2	turn to an angle of 30°
Crankshaft pulley mounting bolt:
- stage 1	95 Nm
- stage 2	turn to an angle of 30°
- stage 3	turn by 15°
Crankshaft sensor mounting bolt	8 Nm
Cylinder head mounting bolts:
- stage 1	25 Nm
- stage 2	turn 90°
- stage 3	turn 90°
- stage 4	turn 90°
- stage 5	turn to an angle of 45°
Drive plate mounting bolts	60 Nm
Front and right powertrain support mounting bolts to the engine	60 Nm
Front and right powertrain suspension mounting nuts to the lower frame	45 Nm
Bolts securing the rear support of the power unit to the bracket	45 Nm
Bolts securing the rear support of the power unit to the frame	20 Nm
Torque Compensation Rod Bolts	60 Nm
Gearbox to engine mounting bolts:
– M8 bolts	20 Nm
– M10 bolts	40 Nm
– M12 bolts	60 Nm
Flywheel mounting bolts:
- stage 1	35 Nm
- stage 2	turn to an angle of 30°
- stage 3	turn by 15°
Main bearing cap mounting bolts:
- stage 1	60 Nm
- stage 2	turn to an angle of 60°
- stage 3	turn by 15°
Oil pump mounting bolts	6 Nm
Oil pump cover mounting screws	6 Nm
Pump relief valve mounting bolt	30 Nm
Oil receiver mounting bolts	8 Nm
Oil pan mounting bolts:
– fastening the oil pan to the cylinder block	10 Nm
– gearbox mounting bolts:
• M8	20 Nm
• M10	40 Nm
Oil drain plug	45 Nm
Upper and lower timing belt covers	4 Nm
Rear timing belt cover	6 Nm
Tensioner mounting bolts	20 Nm
Engines 1.8 and 2.0 l
Camshaft Bearing Cap Fastening Bolts	8 Nm
Head cover mounting bolts	8 Nm
Camshaft Pulley Mounting Bolts:
- stage 1	50 Nm
- stage 2	turn to an angle of 60°
- stage 3	turn by 15°
Connecting rod lower head bearing cap mounting bolts:
- stage 1	35 Nm
- stage 2	turn to an angle of 45°
- stage 3	turn by 15°
Crankshaft pulley mounting bolt	20 Nm
Crankshaft timing pulley mounting bolt:
- stage 1	130 Nm
- stage 2	turn to an angle of 40 to 50°
Cylinder head mounting bolts:
- stage 1	25 Nm
- stage 2	turn 90°
- stage 3	turn 90°
- stage 4	turn 90°
- stage 5	turn by 15°
Drive plate mounting bolts	60 Nm
Front right powertrain suspension:
- bolts for mounting the suspension to the engine	60 Nm
– suspension mounting bolts to the lower frame	45 Nm
Rear support:
- mounting bolts to the bracket	45 Nm
- mounting bolts to the lower frame	20 Nm
- gearbox mounting bolts	60 Nm
Gearbox to engine mounting bolts:
– M8 bolts	20 Nm
– M10 bolts	40 Nm
– M12 bolts	60 Nm
Flywheel mounting bolts:
- stage 1	35 Nm
- stage 2	turn to an angle of 30°
- stage 3	turn by 15°
Main bearing cap mounting bolts:
- stage 1	50 Nm
- stage 2	turn to an angle of 45°
- stage 3	turn by 15°
Oil pump mounting bolts	8 Nm
Oil pump cover mounting bolts	6 Nm
Oil pump relief valve mounting bolts	30 Nm
Bolts securing the mesh filter to the oil pump	8 Nm
Oil pan mounting bolts:
- stage 1	8 Nm
- stage 2	turn to an angle of 30°
Drain plug in the pan	10 Nm
Timing belt guards	6 Nm
Timing Belt Tensioner Mechanism	20 Nm