TT Quattro Coupe V6-3.2L (BHE) (2005)
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Checking ring to groove clearance
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Clean groove in piston before checking clearance.
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Use a feeler gauge to measure.
Checking piston
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Measure approx. 6 mm from lower edge, perpendicular to piston pin axis. Use an external micrometer, 75... 100 mm, to measure.
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Max. deviation from nominal dimension: 0.04 mm
Checking cylinder bore
