Engine threaded connections tightening force (Nm) (Opel Vectra C)

All engines

Front and rear engine mount mounting bolts - 80

Left engine mount mounting bolts - 55

Flywheel mounting bolts:

• Engine Z20NET/Z22SE - 60 Nm + 30° + 15°
• Z16XE/Z18XE engines — 35 Nm + 30° + 15°
• Engine Z32SE - 65 Nm + 30° + 15°
• Engine Y30DT - 145

Drive Disc Mounting Bolts:

• Engine Z22YH/Z22SE - 53 Nm + 25°
• Engine Y30DT - 120

Engines Z16XE/Z18XE

Engine Cover Mounting Screws - 8

Bolts for fastening the right engine support bracket to the cylinder block - 65 Nm + 45° + 15°

Bolts and nuts for fastening the right engine support - 55

Exhaust manifold mounting nuts - 22

Front Exhaust System Mounting Bolts - 25

Camshaft gear mounting bolts - 50 Nm + 60° + 15°

Multi-rib belt tensioner mounting bolt - 35

Timing Belt Tensioner Roller Fastening Bolts - 20

Timing Belt Guide Roller Fastening Bolt - 25

Crankshaft pulley mounting bolts - 95 Nm + 30° + 15°

Cylinder head mounting bolts - 25 Nm + 90° + 90° + 90° + 45°

Cylinder head cover mounting bolts - 9

Rear timing belt cover mounting bolts - 6

Front timing belt cover mounting bolts - 4

Camshaft sensor mounting bolts - 8

Generator bracket mounting bolts and nuts - 35

Oil pressure sensor - 30

Oil pump housing mounting bolts - 8

Bolts for fastening the oil pan to the cylinder block and oil pump - 10

Oil pan to transmission assembly mounting bolts - 40

Oil intake mounting bolts - 8



Union nut for fastening the fuel line to the fuel distribution line — 15

Ignition module mounting bolts - 9

Upper Cooling System Tube Fastening Nut... 10

Engine Z22YH/Z22SE/Z20NET

Upper timing chain guide mounting bolts —

Bolts for fastening all other guides of both chains - 10

Bolts for fastening the timing chain tensioner of the compensation shafts - 10

Timing Belt Cover Fastening Bolts - 21

Crankshaft pulley mounting bolt - 100 Nm + 75° + 15°

Multi-rib belt tensioner mounting bolt - 43

All bolts and nuts for fastening the right support and its bracket - 55

Front and rear engine mount axle bolts - 80

Front Exhaust System Fastening Nuts - 16

Timing chain tensioner - 75

Camshaft sprocket mounting bolt - 85 Nm + 30° + 15°

Camshaft sensor mounting bolt - 8

Cylinder head cover mounting bolts - 9

Ignition module mounting bolts - 9

Air cleaner mounting bolts - 3.5

Cylinder head mounting bolts - 30 Nm + 90° + 60° + 15

Oil pressure sensor:

• Z22YH/Z22SE — 30
• Z20NET — 18

Oil pan mounting bolts:

• to the engine block - 23
• to transmission - 40

Oil pump cover mounting bolts - 6

Engine Z19DT(H)

Right engine mount bracket mounting bolts:

• 2 lower - 35
• Top 3 - 50

Right engine mount mounting bolts - 55

Multi-rib belt tension roller mounting bolts - 50

Bolt for fastening the guide roller of the multi-rib belt (top roller) — 50

Timing Belt Tensioner Roller Fastening Bolt - 30

Crankshaft Pulley Mounting Bolts - 25

Cylinder head mounting bolts - 20 Nm + 65 Nm + 90° + 90° + 90°

Timing Belt Cover Fastening Bolts:

• 4 top bolts - 9
• 2 lower bolts - 25

Camshaft Housing Cover Mounting Bolts - 10



Engine oil pressure sensor - 22

Oil pan mounting bolts:

• 10 bolts (M8) - 25
• 4 bolts (M6) - 9

Timing Belt Drive Wheel Fastening Bolt - 340

Catalytic converter bracket mounting bolts - 25

Exhaust system tract fastening nuts - 20

Compressor Bracket Mounting Bolts - 50

Compressor mounting bolts - 22

Engines Y20DTH/Y22DTR

Cylinder head mounting bolts - 25 Nm + 65° + 65° + 65° + 65° + 15°

Additional head mounting bolts - 20 Nm + 30° + 5°

Fuel injection pump sprocket cover fastening bolts (with silicone seal, 0=2 mm) — 6

Camshaft sprocket mounting bolt (new) — 90 Nm + 60° + 30°

Single Row Chain Tensioner Bolt - 60

Crankshaft Pulse Sensor/Cylinder Head Cover/Vacuum Pump Mounting Bolts - 8

Right Engine Mount Bolts - 55

Compressor bracket mounting bolt K/V — 35

Fuel line union nuts for injectors - 30

Air cleaner mounting bolts - 3.5

Turbocharger Oil Line Union Nuts - 20

Generator mounting nuts and bolts - 35

Fuel Line Mounting Bolts - 25

Cooling system hose mounting bolts - 35

Exhaust manifold bracket mounting bolts - 25

Multi-rib belt tensioner mounting bolts:

• M8 - 20
• M10 - 42

Front Exhaust System Section Fastening Bolts - 20

Engine Oil Pressure Sensor - 30

Y30DT Engine

Timing gear mounting bolts - 35

Lower timing belt cover mounting bolts - 25

Crankshaft pulley mounting bolt - 235

Bolts for fastening the guide rollers of the multi-rib belt - 58

Multi-rib belt tensioner mounting bolts - 25

Drive gear fastening nut - 160

Timing Belt Guide Roller Fastening Bolts - 50

Timing Belt Tensioner Roller Fastening Bolt - 43

Upper timing belt cover mounting bolts - 25



Bolts for fastening the mounting housings of gear wheels - 25

Bolts/screws for fastening camshaft housings:

• M6 — 22
• M8 - 22
• M10 - 43

Camshaft bearing cap mounting bolts - 22

Camshaft gear mounting bolts - 120

Injector bracket mounting bolts:

• M6 - 5
• M8 - 20

Bolts for fastening the lubrication system lines in the camshaft housing - 20

Camshaft/Cylinder Head Cover Bolts - 9

Right rigging eye mounting bolts - 50

Right engine mount bracket mounting bolts:

• Bolts M10 - 40 Nm + 90°
• Bolts M12 - 64

Front Engine Mount Bolts - 80

Right engine mount mounting bolts - 55

Air cleaner mounting bolts - 3.5

Engine oil pressure sensor - 22

Compressor mounting bolts - 50

Oil pan mounting bolts and nuts:

• top part - 25
• lower part - 9

Z32SE Engine

Bolt for fastening the lower guide roller of the toothed belt - 40

Timing Belt Cover Fastening Bolts - 8

Multi-rib belt tensioner mounting bolts - 35

Multi-rib belt guide roller mounting bolt - 40

Crankshaft Pulley Mounting Bolts - 20

Water pump pulley mounting bolts - 8 Nm + 30° + 30°

Cable channel casing mounting bolts - 8

Camshaft gear mounting bolts - 50 Nm + 60° + 15°

Camshaft bearing cap mounting bolts - 8

Cylinder head cover mounting bolts - 8

Ignition module mounting bolts - 8

Three main bolts securing the right engine mount bracket - 55

Bolts and nuts for fastening the right engine support - 55

Air cleaner mounting bolts - 3.5

Engine oil pressure sensor - 40

Oil pan mounting bolts:

• to the engine block - 15
• to transmission - 40

Oil pump mounting bolts - 12

Generator mounting bolts:

• Top - 35
• Lower - 40