S4 Quattro Wagon V8-4.2L (BHF) (2008)
Piston installation position
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Mark allocation to cylinder on piston head using chalk or water-proof felt pen.
Note:
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Do not use a center punch or scribe, since the piston head coating will be damaged.
Installed location:
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Arrows on piston heads point to belt pulley side.
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Valve recesses -1- point toward center of engine.
Mark connecting rod
Note:
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Only replace connecting rod as a set.
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Do not interchange 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 with paint - arrow -.
Connecting rod, installed location
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Molded tabs - arrows - at beveled surfaces of connecting rod pairs 1 and 2, 3 and 4, 5 and 6 as well as 7 and 8 must point toward each other.