A3 Quattro V6-3.2L (BUB) (2008)
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Push ring squarely from above down to approximately 15 mm from bottom end of cylinder. To do this use a piston without rings.
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Use a feeler gauge to measure.
Piston Ring Groove Clearance, Checking
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Clean the ring groove of piston before checking.
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Use a feeler gauge to measure.
Pistons, Checking
