New Beetle L4-1.8L Turbo (BNU) (2005)
1 - Piston rings
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Offset gaps by 120
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Remove and install using piston ring pliers
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"TOP" faces piston crown
2 - Piston
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Mark installation position and cylinder number
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Arrow on piston crown points to belt pulley end
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Install using piston ring clamp
3 - Connecting rod
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Replace as set only
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Mark cylinder number - B -
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Installation position: Marking - A - faces belt pulley end
4 - Connecting rod bearing cap
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Mark cylinder number - B -
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Installation position: Marking - A - faces belt pulley end
5 - 30 Nm plus 1/4 turn (90°)
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Replace
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Oil threads and contact surfaces
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To measure radial clearance, tighten to 30 Nm, but do not turn further
6 - Pressure relieve valve, 27 Nm
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Opening pressure: 2.53.2 bar
7 - Oil spray jet
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For piston cooling
8 - Bearing shell
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Note installed position.
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Do not interchange used bearing shells