New Beetle Convertible L5-2.5L (BPR) (2007)
Piston: Locations
Piston and connecting rod, assembly overview
1 - Connecting rod bolt 30 Nm plus an additional 1/4 turn (90°)
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Replace
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Lubricate threads and contact surface
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Tighten to 30 Nm to measure radial play, do not turn further
2 - Pressure relief valve, 27 Nm
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Opening pressure 1.3 to 1.6 bar positive pressure
3 - Oil spray jet
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For piston cooling
4 - Connecting rod bearing cap
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Note installation position
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Due to the way the separated connecting rod breaks (cracks), the cap fits only in one position and only on to respective connecting rod.
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Affiliation to cylinder mark - B -
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Installed location: Markings - A - point to belt pulley side
5 - Bearing shell
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Note installation position
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Do not interchange used bearing shells
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Axial play new: 0.10 to 0.35 mm
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Wear limit: 0.4 mm
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Measure radial clearance with Plastigage(R):
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New: 0.02 to 0.06 mm
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Wear limit: 0.09 mm
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Do not turn crankshaft when measuring radial play.
6 - Connecting rod
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With cracked bearing cap