Opel/Vauxhall Astra 1.0 (10N/10S) Torque Specifications

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Engine code: 10N/10S

Power: 29 kW (39hp) @ 5400 rpm

Production years: 1979-1984

Cylinder Head

Tighten bolts in the following stages:

25 Nm
60°
60°
60°

Engine Torque Specs

Component	Torque
Main bearings	Stage 1: 31 Nm Stage 2: 62 Nm
Big end bearings	Stage 1: 14 Nm Stage 2: 28 Nm
Flywheel/driveplate	Use new bolt and tighten in the following stages: 30 Nm 60°-80°
Crankshaft pulley/damper centre bolt	40 Nm
Spark plugs	25 Nm

Chassis Tightening Torques

Component	Torque
Front hub	Tighten nut in three stages: 100 Nm Slacken off 20 Nm + 90°
Road wheels	90 Nm

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