Vauxhall Workshop Service and Repair Manuals

Recommended Torque Values  

	Nm
Adapter to oil pump (C 20 XE)	23 1)
DIS ignition module to cylinder head (M10)	30
DIS ignition module to cylinder head (M8)	20
Starter to transmission housing	75
Starter to cylinder block	45
Drive disc to crankshaft	60 2)
Exhaust manifold to cylinder head	22 3)
Fuel pressure regulator fastening clip	5
DIS ignition module to adapter	8
Torsional vibration damper to toothed belt drive gear	20

1)  Regroove thread before reuse and insert screws with screw lock (red).  

2)  Use new fastening bolt(s).  

3)  Use new fastening bolt(s).  

Recommended Torque Values (continued)  

	Nm
Throttle body to intake manifold	9
Intake manifold to cylinder head	22 1)
Performance header to cylinder head (C 20 XE)	22 1)
Engine ventilation flange to cylinder block	25
Crankshaft pulse pick-up sensor disc to crankshaft	13 2)
Camshaft sensor disk to camshaft (C 20 XE)	8
Camshaft sensor housing to cylinder head (C 20 XE)	15
Transmission to cylinder block	60
Auxiliary aggregates bracket to cylinder block	35
Starter bracket to cylinder block	25

1)  Use new fastening nut(s).  

2)  Use new fastening bolt(s).  

Recommended Torque Values (continued)  

	Nm
Engine damping block bracket to auxiliary aggregates support	60
Engine damping block bracket to engine holder	60
Rear engine damping block bracket to transmission	60
Front right engine damping block to bracket	60
Compressor bracket to ancillary component bracket and cylinder block.	35
Compressor bracket to compressor	20
Toothed belt guide roller bracket to cylinder block	25
Intermediate shaft bracket to cylinder block	55
Rear toothed belt cover to oil pump and cylinder head	6
Heat shield to exhaust manifold / performance header	8

Recommended Torque Values (continued)  

	Nm
High-voltage distributor to cylinder head (C 20 XE)	15
Crankshaft pulse pick-up to cylinder block	8
V-belt pulley to toothed belt drive gear	20
Ribbed V-belt tension roller to ancillary components support	25
Knock sensor to cylinder block	20
Fuel distributor tube to intake manifold	8
Fuel return line (1) and fuel flow line (2) to fuel distribution pipe or fuel pressure regulator.	15
Coolant flange to cylinder head (M10)	30
Coolant flange to cylinder head (M8)	20
Coolant pump to cylinder block	25

Recommended Torque Values (continued)  

	Nm
Crankshaft bearing bridge to cylinder block	20 + 45 ° 1)
Crankshaft bearing cap to cylinder block	50 + 45 ° +15 ° 1)
Oxygen sensor in exhaust pipe	30
Alternator shackle to alternator and intake manifold	20
Shackle, power steering pump to auxiliary aggregates bracket	18
Rear engine damping block to engine damping block bracket	45
Engine damping block, rear to front axle body	40
Front engine damping block to engine damping block bracket (M10)	60
Front engine damping block to side member	65 2)
Camshaft sensor to camshaft sensor housing (C 20 XE)	6

1)  Use new fastening bolt(s).  

2)  Regroove thread and insert screws with screw lock (red).  

Recommended Torque Values (continued)  

	Nm
Rear camshaft bearing cover to cylinder head (M6) (C 20 XE)	10
Camshaft bearing caps to cylinder head	8
Camshaft bearing cover to cylinder head (M8) (C 20 XE)	20
Camshaft pulley to camshaft	50 + 60 ° + 15 ° 1)
Camshaft sensor to cylinder head	6
Oil drain plug (inner Torx screw) to oil pan	10
Oil drain plug (hex screw) to oil pan	45
Oil pressure switch to oil pump	40
Oil filter to oil pump	15
Oil cooler line to adapter and oil cooler (C 20 XE)	30

1)   

Recommended Torque Values (continued)  

	Nm
Oil pump to cylinder block	8
Oil pump cover to oil pump	6
Oil intake pipe to oil pump	8 1)
Intake pipe to cylinder block	6
Oil baffle plate to crankshaft bearing bridge	8
Oil pan to cylinder block and oil pump	20
Upper part of oil pan to transmission	40
Upper part of oil pan to cylinder block	20 1)
Lower part of oil pan to upper part of oil pan	8 + 30 ° 1) 2)
Con-rod bearing cap to con-rod	35 + 45 ° + 15 ° 2)

1)  Regroove thread before reuse and insert screws with screw lock (red).  

2)  Use new fastening bolt(s).  

Recommended Torque Values (Continued)  

	Nm
Power steering pump to ancillary component bracket	25
Flywheel to crankshaft	65 + 30 ° + 15 ° 1)
Coolant temperature sensor to DIS ignition module adapter	10
Coolant temperature sensor to thermostat housing (C 20 XE)	18
Intake manifold support to intake manifold and cylinder block	25
Alternator support to alternator and intake manifold	20
Thermostat housing to cylinder head	15
Safety valve to oil pump	30
Vacuum line, brake servo to intake manifold	20
Lower generator fastening bolt	35

1)  Use new fastening bolt(s).  

Recommended Torque Values (continued)  

	Nm
Compressor to auxiliary aggregates bracket	35
Temperature regulator screw plug to temperature regulator housing (C 20 XE)	30 1)
Front toothed belt cover to rear toothed belt cover	6
Toothed belt drive gear to crankshaft	130 + 45 °± 5 ° 2)
Toothed belt tension roller to oil pump	20
Toothed belt tension roller to cylinder block (C 20 XE)	25 + 40 ° + 15 ° 2)
Toothed belt guide roller to guide roller bracket	25
Toothed belt guide roller to cylinder block	25
Toothed belt guide roller to cylinder block (C 20 XE)	25 + 40 ° + 15 ° 2)
Ignition cable cover to cylinder head cover	3

1)  Use new screw plug.  

2)  Use new fastening bolt(s).  

Recommended Torque Values (continued)  

	Nm
Ignition cable cover to cylinder head housing (C 20 XE)	8
Spark plug to cylinder head	25
Cylinder head to cylinder block	25 + 90 ° + 90 ° + 90 ° + 15 ° 1) 2)
Cylinder head to cylinder block (C 20 XE)	25 + 65 ° + 65 ° + 65 ° 1) 2)
Cylinder head cover to cylinder head	8

1)  Use new fastening bolt(s).  

2)  additional tightening not required.