Contents Wiring diagrams Section: DOHC Diesel Engine All sections

Recommended Torque Values Opel Vectra C

Engine Y 30 DT
DesignationNm
Exhaust system to front exhaust pipe20
Exhaust manifold to cylinder head52 1)
Central exhaust elbow to cylinder block96
Front of exhaust pipe to turbocharger20
Exhaust gas recirculation valve (heat exchanger) to intake manifold21
Exhaust gas recirculation valve to neck21
Drain bolt, engine oil, to lower part of oil pan42
Axle shaft to wheel hub1) 2)
Drive disc to crankshaft120 3)
Receiver-dryer to radiator4
Block screw connection - oil cooling line, automatic transmission, to cooler1.8
Cover, engine vent - timing case to timing case10
Cover, engine venting, cylinder block, to cylinder block (M6)10
Cover, camshaft housing, cylindr-1-3-5 to camshaft housing, bearing cover number-425
Timing case cover to timing case25
Torsional vibration damper to crankshaft235
Throttle valve module to intake pipe24.7
Lower part of intake manifold to cylinder head31
Injection lines to injectors and fuel distributor pipe30
Control arm guide joint to steering knuckle30 Nm + 60° + 15° 1) 3)
Alternator to upper bracket, lower bracket (M8)28
Transmission to oil pan upper section (M10)40
Transmission to cylinder block (M12)60
Compressor bracket to oil pan upper section, cylinder block50
Bracket, injection line, cylinder-6 to intake manifold-2-4-621
Upper alternator bracket to timing case28
Lower alternator bracket to timing case, cylinder block (M10)50
Injector bracket to bolt (M10)30
Injector bracket to bolt (M6)5
Fuel lines bracket to upper timing case (M6)10
Fuel lines bracket to upper timing case (M8)25
Fuel return bracket to intake manifold-1-3-521
Rear engine damping block bracket to transmission80
Rear engine damping block bracket to rear engine damping block80
Left bracket, engine damping block, to transmission55
Fuel temperature sensor bracket to camshaft housing-1-3-5 (banjo bolt)16
Turbocharger bracket to turbocharger (M8)21
Bracket for interim shaft to cylinder block, upper part of oil pan55
Main bearing bridge to cylinder block, main bearing coversee operation "Crankshaft, Remove and Install"
Main bearing cover to cylinder blocksee operation "Crankshaft, Remove and Install"
Heat shields21
High pressure pump to cylinder block21
Crankshaft pulse pickup to timing case6.4
Refrigerant line to receiver-dryer20
Refrigerant line to block connector (separation point)20
Refrigerant line to compressor20
Ribbed V-belt tensioning device to timing case and cover of timing case (M8)25
Ribbed V-belt, idler roll, alternator, at timing case (M10)50
Fuel return line to high pressure pump (nut)25
Fuel return line to fuel pressure regulator - distributor pipe (banjo bolt)20
Fuel return line - high pressure pump to intake manifold-2-4-6 (bolt M8)25
Fuel return line - leaked oil to intake manifold-1-3-5 (bolt M6)10
Fuel return line - leaked oil to intake manifold-1-3-5 (bolt M8)21
Fuel manifold to intake manifold21
Fuel supply line to high pressure pump (nut)25
Fuel supply line - high pressure pump to adapter, intake manifold-1-3-535
Lower radiator bracket to front axle body35
Turbocharger coolant flange to turbocharger9
Coolant pump to cylinder block11
Radiator coolant pipe to cylinder head-1-3-5 (M6)10
Radiator coolant pipe to cylinder head-1-3-5 (M10)50
Coolant pipe, coolant compensation tank, to bolt (nut M8)10
Coolant pipe, coolant compensation tank to front upper coolant pipe (bolt M6)10
Front upper coolant pipe to bracket (M8)25
Front upper coolant pipe to coolant pipe, cylinder heads (M6)10
Coolant pipe, heat exchanger, to cylinder block25
Coolant return line, turbocharger, to turbocharger34
Coolant connections to thermostat housing / oil filter housing25
Connecting pipe for coolant from cylinder block to coolant supply for heat exchanger10
Coolant distribution piece to cylinder block10
Coolant supply line, turbocharger, to coolant pipe, cylinder heads34
Coolant supply line, turbocharger, to turbocharger34
Intercooler to radiator4
Lower charge air pipe to fan housing5
Bearing cover, camshaft to camshaft housing22
Bearing cover, camshaft intake, cylinder-2-4-6 (bearing number 5), to camshaft housing12
Leaked oil line to injector (M10)20
Leaked oil line to camshaft housing, cylinder-1-3-5 (M10)16
Leaked oil line to camshaft housing, cylinder-2-4-6 (M10)20
Leaked oil line to cylinder head-2-4-6 (banjo bolt)20
Fan housing to radiator4
Engine vent diaphragm to timing case4
Rear engine damping block to front axle body60
Left engine damping block to bracket, left engine damping block55
Left engine damping block to body side member (M8)20
Right engine damping block to body55
Right engine damping block to right engine bracket55
Front engine damping block to transmission80
Front engine damping block to front axle body80
Right engine bracket to timing case (M10)40 Nm + 90°
Right engine bracket to timing case (M12)64
Right engine transport shackle (timing side) (M10) to timing case50
Engine transport shackle, cylinder-1-3-5 (RH) (M8) to cylinder head24.7
Engine transport shackle, cylinder-2-4-6 (LH) (M8) to cylinder head24.7
Camshaft housing to cylinder headsee operations "Both Cylinder Heads, Remove and Install" or "Repair Engine Using a Part Engine"
Camshaft bearing cover to camshaft housing22
Camshaft sprocket to camshaft120
Oil drain bolt to lower part of oil sump42
Oil filter housing/heat exchanger (thermostat housing) to cylinder block (M8)25
Oil dipstick guide tube to engine transport shackle, cylinder-2-4-610
Oil pump to cylinder block (M6)10
Turbocharger oil return line to turbocharger21
Turbocharger oil return line to cylinder block24
Oil spray nozzles to cylinder block21
Turbocharger oil feed line to turbocharger24
Top of oil pan to cylinder block, timing case25
Bottom of oil pan to top of oil pan9
Pedal sensor to bulkhead9
Swing arm to spring strut65 1)
Con-rod bearing cap to con-rodsee operation "One Con-Rod Bearing, Replace"
Wheel to wheel hub110
Intake pipe to intake manifold21
Hose clamps of the air intake and charge air hoses (width 9 mm)3.5
Hose clamps of the charge air hoses (width 12 mm)5
Flywheel to crankshaft145 3)
Sensor - dynamic oil level check to oil pan upper part10
Fuel temperature sensor to bracket23
Coolant temperature sensor to coolant pipe, cylinder heads23
Charge pressure sensor to intake manifold 1-3-54
Charge pressure sensor to intake pipe14
Camshaft sensor to camshaft sprocket housing-2-4-66
Tie rod to steering knuckle35 1)
Starter to cylinder block (M10)64
Timing case to cylinder block25
Spur gears35
Catalytic converter support to front exhaust pipe (catalytic converter)25
Catalytic converter support to top of oil pan28
Turbocharger to centre of exhaust manifold21
Deflecting elbow to exhaust manifold64
Deflecting elbow to centre of exhaust manifold64
Ribbed V-belt guide roller to support50
Vacuum pump to camshaft housing, cylinder-2-4-6 (M8)17
Compressor to compressor support22
Condenser to intercooler4
Supply unit (electro-hydraulic steering) to body22
Reinforcement plate to body (M10)55 Nm + 45° + 15° 3)
Reinforcement plate to body (M12)90 Nm + 45 ° + 15° 3)
Front of front axle body to body (M12)80 Nm + 120 ° + 15 ° 3)
Rear of front axle body to body (M12)100 Nm + 90° + 15° 3)
Heat exchanger to oil filter housing/thermostat housing39
Upper toothed belt cover to timing case25
Toothed belt drive wheel to high pressure pump160
Toothed belt tensioning roller to timing case43
Toothed belt, upper idling roller, to timing case (M10)50
Toothed belt, lower idling roller, to timing case (M10)50
Additional pump to radiator4
Intermediate shaft to steering gear22
Intermediate shaft to intermediate shaft bracket18
Cylinder head to cylinder block(short bolts)39 Nm + 110° + 110° 3)
Cylinder head to cylinder block (long bolt)39 Nm + 130° + 130° 3)
Cylinder head bolt to camshaft housing (M6)9

1

) Use new fastening nut(s)

2

) Tighten axle shaft nut to 150 Nm. Then release axle shaft nut by 45° and retighten to 250 Nm.

3

) Use new fastening bolt(s)