A4 Sedan V6-3.2L (BKH) (2007)
Piston: Overhaul
Piston and connecting rod, component overview
Note:
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Oil injector jet for piston cooling
1 - Connecting rod bolt, 30 Nm plus an additional 90° (1/4 turn)
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Replace
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Lubricate threads and contact surface
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Tighten to 30 Nm to measure radial play, do not turn further
2 - Connecting rod bearing cap
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Do not interchange
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Mark allocation to cylinder using a color marker - B -.
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When installing bearing cap, observe: The wide thrust flange - A - must point to the same side on connecting rod and connecting rod bearing
cap
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Installation position of connecting rod pairs
3 - Bearing shell
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Upper bearing shell (for connecting rod) made of wear-resistant material; identification: Bright color of bearing
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Lower bearing shell (for bearing cap) identification: Dark color of bearing
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Check that retaining tabs are secured
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Do not interchange used bearing shells (mark)
4 - Connecting rod
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Only replace as set
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Mark allocation to cylinder with paint - B -.
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When installing bearing cap, observe: The wide thrust flange - A - must point to the same side on connecting rod and connecting rod bearing
cap
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Installation position of connecting rod pairs
5 - Piston pin