New Beetle L4-1.8L Turbo (AWP) (2003)
Piston: Service and Repair
Pistons and Connecting Rods, Disassembling and Assembling
Vehicles with engine code AWP, AWV
Note:
Secure engine to engine bracket VW540 on assembly stand when disassembling/assembling engine.
1. Piston ring
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Offset gaps by 120°
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Remove and install with piston ring pliers
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"TOP" faces toward piston crown
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Checking ring gap, Refer to Fig. 1
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^Checking ring to groove clearance, Refer to Fig. 2
2. Piston
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Checking, Refer to Fig. 3
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Mark installation position and cylinder number
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Arrow on piston crown points to pulley end
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Install using piston ring clamp
3. Piston pin
^
If difficult to remove, heat piston to 60°C
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Remove and install with VW222a
4. Circlip
5. Connecting rod
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Only replace as a set
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Mark cylinder number -B
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Installation position:Marking-A-faces toward pulley end
6. Bearing shell
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Note installation position
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Do not interchange used bearing shells
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Axial clearance