A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
Fig. 1 Checking piston ring end gap
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Insert ring at right angle from top and slide down until approximately 15 mm (19/32 inch) from lower edge of cylinder. To insert, use piston
without rings.
Fig. 2 Checking piston ring side clearance
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Before checking, clean ring groove.