Contents Wiring diagrams Section: DOHC Petrol Engine All sections

Recommended Torque Values Opel Astra H

Nm
Axle shaftLoosen 150 Nm then 250 Nm 1) 2) 3)
Drive disk on crankshaft53 Nm + 25° 1)
Fastening nut, battery pole + and -4
Fastening nut, rear reaction member to front axle body (M10)60
Fastening nut, front reaction member to front axle body (M12)80
Fastening nut, throttle valve module to intake manifold10
Fastening nut, guide joint to steering knuckle30 Nm + 60° + 15° 1)
Fastening nuts, front exhaust pipe to exhaust manifold16 1)
Fastening nuts, exhaust manifold to cylinder head10 Nm, 30 sec. wait, another 12 Nm 1)
Fastening nuts, accelerator pedal/accelerator position sensor to bulkhead9
Fastening nuts, heat shield to cylinder head23
Fastening nut, swing arm to spring strut support tube65 1)
Fastening nut, tie rod end to steering knuckle35 1)
Fastening nut, catalytic converter support (Z 20 NET)40
Fastening bolt, battery bracket to battery support10
Fastening bolt, battery support to body15
Fastening bolt, dryer tank to condenser4
Fastening bolt, single-mass flywheel53 Nm + 25° 1)
Fastening bolt, guide rail (balance shafts)10
Fastening bolt, rear reaction member bracket to rear reaction member (M12)80
Fastening bolt, heat shield to exhaust manifold8
Fastening bolt, toothed wheel to balance shaft (use new bolt)8 Nm + 30°
Fastening bolt, crankshaft pulse pick-up to cylinder block9
Fastening bolt, ribbed V-belt tensioner to cylinder block43
Fastening bolt, knock sensor to cylinder block23
Fastening bolts, starter to cylinder block and cylinder block base plate40
Fastening bolt, oil dipstick guide tube to intake manifold9
Fastening bolt, con-rod bearing cap to con-rod (Z 22 SE)25 Nm + 50° + 50° + 15° 1)
Fastening bolt, dynamic oil level check sensor to oil pan10
Fastening bolt, balance shaft timing chain tension rail to cylinder block10
Fastening bolt, camshaft timing chain tension rail to cylinder block10
Fastening bolt, catalytic converter support (Z 20 NET)25
Fastening bolt, engine oil cooler22
Fastening bolts, oil pump cover to timing case6
Fastening bolts, camshaft connection flange cover to cylinder head (Z 22 SE and Z 20 NET)23
Fastening bolts, timing case cover to cylinder block and to cylinder block base plate21
Fastening bolts, thermostat housing cover to thermostat housing8
Fastening bolts, front reaction member to transmission (M12)80
Fastening bolts, torque converter60
Fastening bolts, torsional vibration damper to crankshaft100 Nm + 75° + 15° 1)
Fastening bolts, throttle valve module to intake manifold9
Fastening bolts, intake manifold to cylinder head9
Fastening bolts, electrohydraulic supply unit to body (M8)22
Fastening bolts, camshaft guide bearing to cylinder head22
Fastening bolts, camshaft timing chain guide rail to cylinder head and cylinder block10
Fastening bolts, coolant pump housing cover to coolant pump8
Fastening bolts, upper sliding rail to cylinder head8
Fastening bolts, transmission to cylinder block (M12)60
Fastening bolts, cylinder block base plate to cylinder block (M10)20 Nm + 70° + 15° 1)
Fastening bolts, rear reaction member bracket to transmission (M12)80
Fastening bolts, left engine damping block bracket to transmission (M12)55
Fastening bolts, right engine damping block bracket to cylinder block (M10)55
Fastening bolts, coolant pump sprocket to coolant pump flange8
Fastening bolts, fuel rail to cylinder head9
Fastening bolts, lower radiator bracket to front axle body15
Fastening bolts, coolant pump to cylinder block23
Fastening bolts, intermediate shaft bearing support to cylinder block and cylinder block base plate55
Fastening bolts, fan housing to radiator4
Fastening bolts, fan motor to fan housing3
Fastening bolts, engine control unit to intake manifold9
Fastening bolts, left engine damping block to left engine damping block bracket (M10)55
Fastening bolts, right engine damping block to right engine damping block bracket (M10)55
Fastening bolts, right engine damping block to body side member55
Fastening bolts, camshaft bearing cover to cylinder head9
Fastening bolts, camshaft sensor (Z 22 YH)8
Fastening bolts, camshaft sprockets to camshaft85 Nm + 30° + 15° 1)
Fastening bolts, oil pan to transmission housing40
Fastening bolts, oil pan to cylinder block base plate23
Fastening bolts, oil spray nozzle (timing chain) to cylinder block10
Fastening bolts, oil baffle plate to oil pan19
Fastening bolts, coolant pump service cover to timing case cover7
Fastening bolts, thermostat housing to cylinder block9
Fastening bolt, lower steering intermediate shaft universal joint to steering gear22
Fastening bolts, compressor21
Fastening bolts, reinforcement plate to vehicle underbody (M10)55 Nm + 45° + 15° 1)
Fastening bolts, reinforcement plate to vehicle underbody (M12)90 Nm + 45° + 15° 1)
Fastening bolts, front axle body to vehicle underbody (front)80 Nm + 120° + 15° 1)
Fastening bolts, front axle body to vehicle underbody (rear)100 Nm + 90° + 15° 1)
Fastening bolts, ignition module/ignition coil to cylinder head cover9
Fastening bolts, cylinder head cover to cylinder head9
Fastening bolts, intermediate shaft to intermediate shaft bearing support18
Fastening bolts, cylinder head to cylinder block30 Nm + 90° + 60° +15° 1)
Fastening bolts, cylinder head to cylinder block (M8, engine timing side)35
Fastening bolts, dual-mass flywheel60 Nm + 30° + 15° 1)
Oil filter housing cover or bypass valve to oil filter housing25
Intake pipe 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 rail10
High pressure fuel pump to cylinder head (Z 22 YH)8
Catalytic converter to turbocharger (Z 20 NET)25
Refrigerant line (block connector) to dryer tank20
Refrigerant line to block connector (joint)20
Coolant drain bolt in coolant pump20
Mixture regulator oxygen sensor in exhaust manifold43 4)
Catalytic converter control oxygen sensor 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 (banjo bolt)22
Wheel to wheel hub110
Fuel pressure regulator to fuel rail (high pressure) (Z 22 YH)8
Air intake pipe clamps3.5
Air intake pipe clamp3.5
Exhaust gas temperature sensor (Z 20 NET)45
Fuel pressure sensor to fuel rail (Z 22 YH)25
Coolant temperature sensor in thermostat housing21
Special bolts to engine transport shackles5
Exhaust manifold stud bolts in cylinder head10
Stud bolts, coolant pump housing cover to coolant pump8
Stud bolts, thermostat housing to cylinder block9
Stud bolt (nut), intake manifold in cylinder head6
Oil pump pressure regulating valve closure bolt in timing case cover40
Guide rail sealing plug of camshaft timing chain65
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 fastening nuts, fastening bolts.

2

) Tighten nut by 150 Nm, loosen nut by 45° and tighten by 250 Nm.

3

) Assembly and removal of fastening bolts and nuts with impact screwdriver not permitted

4

) insert using special grease