Contents Wiring diagrams Section: DOHC Petrol Engine All sections

Torque Guide Values Opel Vectra C

Engine Z 22 YHNm
Axle shaftRelease 150 Nm then 250 Nm 1) 2) 3)
Drive disc to crankshaft53 Nm + 25° 1)
EGR valve to cylinder head10
Fixing nut battery + and -4
Fixing nut reaction member rear to front axle body (M10)60
Fixing nut reaction member front to front axle body (M12)80
Fixing nut throttle module to intake manifold10
Fixing nut steering linkage to stub axle30 Nm + 60° + 15° 1)
Fixing nuts exhaust pipe front to exhaust manifold16 1)
Fixing nuts exhaust manifold to cylinder head12 Nm, wait 30 sec then again 12 Nm 1)
Fixing nuts accelerator pedal/pedal sensor to bulkhead9
Fixing nuts heat shield to cylinder head23
Fixing nuts floating axle to spring strut support tube65 1)
Fixing nuts track rod end to stub axle35 1)
Fixing nuts catalytic converter support (Z 20 NET)40
Fixing bolt battery holder to battery carrier10
Fixing bolt battery carrier to body15
Fixing bolt container dryer to condenser4
Fixing bolt single mass flywheel53 Nm + 25° 1)
Fixing bolt guide rail (balancer shafts)10
Fixing bolt reaction member holder rear to reaction member rear (M12)80
Fixing bolt heat shield to exhaust manifold8
Fixing bolt crankshaft pulse emitter to cylinder block9
Fixing bolt ribbed V-belt tensioner to cylinder block43
Fixing bolt knock sensor to cylinder block23
Fixing bolt metal pipe exhaust return to cylinder head10
Fixing bolt starter to cylinder block and ground plate cylinder block40
Fixing bolt oil dipstick guide tube at intake manifold9
Fixing bolt con-rod bearing cover to con-rod (Z 22 SE)25 Nm + 50° + 50° + 15° 1)
Fixing bolt dynamic oil level sensor to oil pan10
Fixing bolt, gear wheel to balancer shaft8 Nm + 30°
Fixing bolt balancer shaft timing chain tensioner rail to cylinder block10
Fixing bolt camshaft timing chain tensioner rail to cylinder block10
Fixing bolt catalytic converter support (Z 20 NET)25
Fixing bolt engine oil cooler22
Fixing bolts oil pump cover to timing case6
Fixing bolts camshaft connecting flange cover to cylinder head (Z 22 SE and Z 20 NET)23
Fixing bolts timing case cover to cylinder block and to cylinder block base plate21
Fixing bolts thermostat housing cover to thermostat housing8
Fixing bolts reaction member front to gearbox (M12)80
Fixing bolts torque converter60
Fixing bolts torque vibration damper to crankshaft100 Nm + 75° + 15° 1)
Fixing bolts throttle valve module to intake manifold9
Fixing bolts intake manifold to cylinder head9
Fixing bolts electro-hydraulic supply unit to body (M8)22
Fixing bolts camshaft guide bearings to cylinder head22
Fixing bolts camshaft timing chain guide rails to cylinder head and cylinder block10
Fixing bolts coolant pump housing cover to coolant pump8
Fixing bolt, exhaust duct closure cap10
Fixing bolts top slide rails to cylinder head8
Fixing bolts gearbox to cylinder block (M12)60
Fixing bolts cylinder block base plate to cylinder block (M10)20 Nm + 70° + 15° 1)
Fixing bolts reaction member holder rear to gearbox (M12)80
Fixing bolts engine mounting block holder left to gearbox (M12)55
Fixing bolts engine mounting block holder right to gearbox (M10)55
Fixing bolts coolant pump sprocket to coolant pump flange8
Fixing bolts fuel distributor pipe to cylinder head9
Fixing bolts radiator holder lower to front axle body15
Fixing bolts coolant pump to cylinder block23
Fixing bolts intermediate shaft bearing block to cylinder block and ground plate cylinder block55
Fixing bolts fan housing to radiator4
Fixing bolts fan motor to fan housing3
Fixing bolts engine control unit to intake manifold9
Fixing bolts engine damper block left to holder for engine damper block left (M10)55
Fixing bolts engine damper block right to holder for engine damper block right (M10)55
Fixing bolts engine damper block right to body side member55
Fixing bolts for camshaft bearing cover to cylinder head9
Fixing bolts camshaft sensor (Z 22 YH)8
Fixing bolts camshaft sprockets to camshaft85 Nm + 30° + 15° 1)
Fixing bolts oil pan to gearbox housing40
Fixing bolts oil pan to cylinder block base plate23
Fixing bolts oil spray nozzle (timing chain) to cylinder block10
Fixing points oil baffle plate to oil pan19
Fixing bolts coolant pump service cover to timing case cover7
Fixing bolts thermostat housing to cylinder block9
Fixing bolts for lower universal joint for steering intermediate shaft clamp to steering gear22
Fixing bolts compressor21
Fixing bolts reinforcement plate to vehicle underbody (M10)55 Nm + 45° + 15° 1)
Fixing bolts reinforcement plate to vehicle underbody (M12)90 Nm + 45° + 15° 1)
Fixing bolts for front axle body to vehicle underbody (front)80 Nm + 120 ° + 15 ° 1)
Fixing bolts for front axle body to vehicle underbody (rear)100 Nm + 90° + 15° 1)
Fixing bolts ignition module/ignition coil to cylinder head cover9
Fixing bolts cylinder head cover to cylinder head9
Fixing bolts intermediate shaft to bearing block intermediate shaft18
Fixing bolts cylinder head to cylinder block30 Nm + 90° + 60° +15° 1)
Fixing bolts cylinder head to cylinder block (M8, engine timing side)35
Fixing bolts twin mass flywheel60 Nm + 30° + 15° 1)
Oil filter housing cover or bypass valve to oil filter housing25
Intake manifold pressure sensor10
Alternator to cylinder block21
High pressure fuel line (Z 22 YH)25
Camshaft timing chain tensioner in cylinder head75
Fuel line to fuel distributor pipe10
High pressure fuel pump to cylinder head (Z 22 YH)8
Catalytic converter to turbo (Z 20 NET)25
Refrigerant line (block connector) to receiver-dryer20
Refrigerant line to block connector (separation point)20
Coolant drain plug to coolant pump20
Mixture regulation oxygen sensor in exhaust manifold43 4)
Oxygen sensor for catalytic converter control in front exhaust pipe43 4)
Oil drain bolt to oil pan25
Oil pressure switch in cylinder block18
Oil intake pipe to oil pan10
Oil supply line (hollow bolt)22
Wheel to wheel hub110
Fuel pressure regulator to fuel rail (high pressure) (Z 22 YH)8
Clamps fir air intake pipe3.5
Clamps for air intake pipe3.5
Exhaust temperature sensor (Z 20 NET)45
Fuel pressure sensor at fuel rail (Z 22 YH)25
Coolant temperature sensor in thermostat housing21
Special bolts at engine transport shackles5
Stud bolt for exhaust manifold in cylinder head10
Stud bolt for coolant pump housing cover to coolant pump8
Stud bolt for thermostat housing to cylinder block9
Stud bolt (nut) intake manifold in cylinder head6
Screw plug for oil pump pressure regulator in timing case cover40
Sealing plug for camshaft timing chain guide rail65
Spark plug in cylinder head (Z 20 NET and Z 22 YH)25
Spark plug in cylinder head (Z 22 SE)20

1

) use new fixing nuts, bolts

2

) tighten nut with 150 Nm, release nut with 45° and tighten with 250 Nm

3

) Fitting and removal of fixing bolts and nuts with impact drivers is not permitted

4

) Insert with special grease