A4 Quattro Cabriolet V6-3.0L (BGN) (2005)
Fig. 5 Piston installed position and application piston/cylinder
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Mark installed position and allocation to cylinder on piston head using chalk or waterproof felt pen.
Note: Do not use a center punch or scribe, since the piston head coating will be damaged.
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Installed position:
Arrow on piston head points to belt pulley side
Fig. 6 Marking connecting rods
Note:
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Replace the connecting rods only as a set.
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Do not interchange the connecting rod bearings.
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Before removing, mark allocation of connecting rod and connecting rod bearing caps to each other and to cylinder using a color marker (arrow).
Fig. 7 Installed position of connecting rods
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Molded tabs (arrows) at the beveled surfaces of the connecting rod pairs 1 and 2, 3 and 4 as well as 5 and 6 must point toward each other.