A3 L4-2.0L Turbo (BPY) (2006)
Checking piston
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Measure pistons approx. 10 mm from bottom edge and at points offset by 90 ° to piston pin axis.
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Deviation from nominal dimension: max. 0.04 mm
Checking cylinder bores
Special tools, testers and auxiliary items required
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Internal dial gauge 50 to 100 mm
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Measure diagonally at 3 positions transversely - A - and longitudinally - B -.
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Deviation from nominal dimension: max. 0.08 mm