A3 Quattro V6-3.2L (BUB) (2008)
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Measure pistons approximately 6 mm from bottom edge and at points offset by 90° to piston pin axis.
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Use external micrometer 75 to 100 mm to measure.
‹› Maximum deviation from nominal dimension: 0.04 mm.
Cylinder Bore, Checking
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Measure bores at 3 locations in both directions - A - across engine and - B - in line with crankshaft.
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Use internal dial gauge 50 to 100 mm to measure.
‹› Maximum deviation from nominal dimension: 0.08 mm.
Installing Piston with Piston Insertion Funnel (T10147)