TT Quattro Roadster L4-1.8L Turbo (AMU) (2002)
Fig. 3 Checking piston
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Measure pistons approximately 10 mm from the lower edge of skirt, at 90° to the piston pin axis.
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Permissible deviation from nominal dimension: maximum 0.04 mm
Fig. 4 Checking cylinder bores
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Use internal dial gauge (50 - 100 mm).
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Take measurements at 3 positions in both lateral direction - A - and longitudinal direction - B - .
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Permissible deviation from nominal dimension: maximum 0.10 mm
Notes: Measuring the cylinder bores must not be done when the cylinder block is mounted on a repair stand with adapter bracket VW 540, as
incorrect measurements would then be possible.
Piston and cylinder, dimensions