Engine specifications (Opel Vectra C)

General parameters

Trade designation	1.6	1.8	2.0 Turbo	2.2	2.2 direct	3.2 V6	1.9CDTI	1.9CDTI	2.0 DTI	2.2 DTI	3.0 V6 CD"
Engine brand	Z16XE	Z18XE	Z20NET	Z22SE	Z22YH	Z32SE	Z19DT	Z19DTH	Y20DTH	Y22DTR	Y30DT
Year of issue	08/2004	03/2002	05/2003	03/2002	05/2003	10/2003	05/2004	05/2004	03/2002	03/2002	05/2003
Number of cylinders	4	4	4	4	4	6	4	4	4	4	4
Number of valves	16	16	16	16	16	24	8	16	16	16	24
Cylinder diameter (mm)	79.0	80.5	86.0	86.0	86.0	87.5	82.0	82.0	84.0	84.0	87.5
Piston stroke (mm)	81.5	88.2	86.0	94.6	94.6	88.0	90.4	90.4	90.0	98.0	82.0
Working volume (cm³)	1598	1796	1998	2198	2198	3175	1910	1910	1995	2172	2958
Maximum power	74/100	90/122	129/175	108/147	144/155	155/211	88/120	110/150	74/100	92/125	130/177
(kW/hp) at rpm	6000	6000	5500	5600	5600	6200	3500	4000	4000	4000	4000
Torque (Nm)	150	167	265	203	220	300	280	315/320	230	280	370
at rpm	3600	3800	2500	4000	3800	4000	2000	2000	1500	1500	1900
Compression ratio	10.5	10.5	9.5	10.0	12.0	10.0	18.0	17.5	18.5	18.5	18.5

Main performance characteristics

Cylinder arrangement and firing order

4-cylinder engines - In-line // 1-3-4-2 (the first cylinder is located on the timing drive side)



6-cylinder V-engines

• left (if you look at the engine from the timing drive side) row of cylinders - 1-3-5
• right bank of cylinders - 2-4-6
• Firing order: 1-2-3-4-5-6

Normal direction of rotation of the crankshaft is clockwise

Compression pressure

Gasoline Engines - Nominal Value (all engines covered in the Manual), bar - 12+15

Text copied from an online resource Opelbook.ru

Diesel Engines - Nominal Value (all engines covered in the Manual), bar - 30+35

Maximum permissible pressure difference between cylinders (all engines covered in the Manual), bar - 1

Valve clearances (only for specified engines)

Valve clearance values, mm.

Engine brand	The value being tested		Adjustment value
	Intake	Graduation	Intake	Graduation
Z19DT	0.30-0.40	0.30-0.40	0.35	0.35
Y30DT	0.35-0.40	0.35-0.40	0.40	0.40

Cylinder head

Cylinder Head Gasket Dimensions (y20DTH/Y22DTR engine)

Height of projectionpistons	Gasket thicknesscylinder heads	Markinggaskets
0.51-0.60 mm	1.3 mm	1 notch
0.61-0.70 mm	1.4 mm	2 notches

Note: For Y30DT engines, the gasket dimensions have 3 groups of values (from one to three notches)

Oil pressure in the engine lubrication system

Note: Oil pressure is measured with the engine idling unless otherwise specified.

Engine	Oil pressure, bar
Z16XE/Z18XE	1.4
Z20NET/Z22SE/Z22YH/Z32SE/Y20DTH/Y22DTR	1.5
Engine Z19DT(H)	>1.0
Engine 19DT(H) (at 4000 rpm)	4.0
Y30DT Engine (at 4400 rpm)	>4.0