TT Coupe L4-2.0L Turbo (BPY) (2008)
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Push ring squarely from above down to approx. 15 mm from bottom end of cylinder. To do this use a piston without rings.
Checking ring to groove clearance
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Clean ring groove of piston before checking.
Checking piston
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Measure pistons approx. 10 mm from bottom edge and at points offset by 90° to piston pin axis.
‹› Deviation from nominal dimension: max. 0.04 mm
Checking cylinder bores