Astra
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Recommended Torque Values (DOHC Petrol Engines)
C 20 XE, 20 XE, 20 XEJ Torque Identification Nm kpm (kpm)
Starter to cylinder block............................................................................................. 45 4.5 Starter support to cylinder block................................................................................ 25 2.5 Exhaust manifold to cylinder block............................................................................ 20 2.0 Engine ventilation flange to cylinder block............................................................... 25 (2.5) Alternator bracket to cylinder block........................................................................... 40 (4.0) Oil pump bracket for power steering to cylinder block............................................. 40 4.0 Guiding joint castellated nut to steering knuckle....................................................... 70 (7.0) Crankshaft pulley to crankshaft sprocket wheel........................................................ 20 (2.0) Crankshaft bearing cover to cylinder block............................................................... 50 (5.0)1) Con-rod bearing cover to con-rod.............................................................................. 35 (3.5)3) Rear engine suspension to underbody....................................................................... 75 (7.5)6) Front left and right engine suspension to front frame................................................ 75 (7.5)6) Camshaft bearing cover to cylinder head (M8 nut)................................................... 20 (2.0) Rear camshaft bearing cover to cylinder head (M6 nut)............................................ 10 (1.0)
1) Then tighten a further 40° to 50° 2) Then tighten a further 30° to 45° 3) Then tighten a further 45° to max. 60° 4) Bolts to be inserted with Locking Compound 1510175 (90 017 319) 5) Tighten in four stages - 25 Nm + 65° + 65° + 65°. After test drive tighten a further 30° to 45°. 6) Bolts to be inserted with Locking Compound 1510177 (90 167 347). 7) Coat bolt with grease before inserting
Recommended Torque Values (DOHC Petrol Engines)
C 20 X E, 20 X E, 20 X EJ Torque Identification Nm kpm (kpm)
Oil drain plug to oil pan.............................................................................................. 15 (1.5) Oil filter to oil pump................................................................................................... 15 (1.5) Oil pump housing to cylinder block........................................................................... 6 (0.6) Oil pan to cylinder block............................................................................................ 15 (1.5)6) Intake manifold to cylinder head................................................................................ 20 (2.0) Vibration damper to crankshaft.................................................................................. 20 (2.0) Flywheel to crankshaft............................................................................................... 65 (6.5)2)4) Water pump to cylinder block.................................................................................... 25 (2.5) Toothed belt pulley to crankshaft............................................................................... 250 (25.0)1)7) Camshaft sprocket wheel to camshaft ....................................................................... 50 (5.0)4) Spark plug to cylinder head....................................................................................... 20 (2.0) Toothed belt tension roller to cylinder block............................................................. 25 (2.5)3) Toothed belt guide roller to cylinder block................................................................ 25 (2.5)3) Cylinder head cover to cylinder head........................................................................ 8 (0.8) Cylinder head to cylinder block................................................................................. 25 (2.5)5)
1) Then tighten a further 40° to 50° 2) Then tighten a further 30° to 45° 3) Then tighten a further 45° to max. 60° 4) Bolts to be inserted with Locking Compound 1510175 (90 017 319) 5) Tighten in four stages - 25 Nm + 65° + 65° + 65°. After test drive tighten a further 30° to 45°. 6) Bolts to be inserted with Locking Compound 1510177 (90 167 347). 7) Coat bolt with grease before inserting
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