Astra L4-1.8L (2009)
Note: Observe correct fitting position, observe alignment.
16. Remove the con-rod bearing mounting clips (1, 2).
Visually inspect the components.
Measurement Procedure
1. Measure the pistons.
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Measure the 4 piston diameters with the micrometer gauge.
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Place the micrometer at 90 degrees offset to the piston pin axis and 14.5 mm from the lower edge.