A4 Quattro Wagon V6-3.0L (AVK) (2002)
Connecting Rod: Service and Repair
Pistons and connecting rods, disassembling and assembling
Note: Oil injector jet for piston cooling, Refer to Fig 8.
1. Connecting rod bolt - 30 Nm + 90° (1/4 additional turn)
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Always replace
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Grease thread and contact surface
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Tighten to 30 Nm when measuring radial clearance] but 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, Refer to Fig 5.
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Observe when installing bearing cap: Tabs at contact surfaces at face of connecting rod must be aligned -A
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Installed position of connecting rod pairs, Refer to Fig 7.
3. Bearing shell
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Note installed position
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Do not interchange run-in connecting rod bearing shells (mark)
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Measuring radial play, Refer to Connecting Rod, Engine, Testing and Inspection.
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Tighten bolts -item 1 to 30 Nm when measuring radial clearance] but do not turn further
4. Connecting rod
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Replace only as a set
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Mark allocation to cylinder using a color marker -B, Refer to Fig 5.
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Observe when installing bearing cap: Tabs at contact surfaces at face of connecting rod must be aligned -A
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Installed position of connecting rod pairs, Refer to Fig 7.
5. Snap ring
6. Piston pins
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In case of difficulty of movement warm piston to approximately 60°C
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When removing and installing] use VW222a Pilot drift
7. Pistons
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Installed position and allocation piston/cylinder, Refer to Fig 5.
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Arrow on piston head points to belt pulley side