Opel/Vauxhall Astra 1.3 (13N) Torque Specifications

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Engine code: 13N

Power: 44 kW (60hp) @ 5800 rpm

Production years: 1979-1984

Cylinder Head

Tighten bolts in the following stages:

25 Nm
60°
60°
30°
Run engine 15 minutes
30°

Engine Torque Specs

Component	Torque
Main bearings	Apply sealant to grooves in rear main bearing cap. Use new bolts and tighten in the following stages: 50 Nm 45° 15°
Big end bearings	15 mm thread length = 28 Nm 40 mm thread length = Use new bolts and tighten to 25 Nm + 30°
Flywheel/driveplate	60 Nm
Crankshaft pulley/damper centre bolt	23 mm thread length = 55 Nm 30 mm thread length = 55 Nm + 45° + 15°. Use new bolt.
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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