New Beetle L4-1.8L Turbo (AWP) (2003)
Clean groove before check.
Fig. 3 Checking piston
Special tools and equipment
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Micrometer 75 to 100 mm
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Measure pistons approximately 10 mm from lower edge of skirt, at 90° to piston pin axis.
Deviation from nominal dimension: max. 0.04 mm
Fig. 4 Bearing shells - Mount
Bearing shell -1- for connecting rod (with hole -arrow- for oil channel).
Bearing shell -2- for connecting rod (without hole for oil channel).
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Place bearing shells on the middle of connecting rod and connecting rod bearing cap.
Measure -a- must be the same at right and left.
max. deviation: 0.2 mm