3.0L V6 (Engine Code: Avk): Overhaul Audi A6 C5 facelift

Pistons and connecting rods, disassembling and assembling

Note. Oil injector jet for piston cooling, see OIL INJECTOR JET FOR PISTON COOLING .

The following list pertains to (Схема №191).

1. Connecting rod bolt 30 Nm plus an additional 90° (1/4 turn) Always replace Grease thread and contact surface Tighten to 30 Nm when measuring radial clearance, but do not turn further
2. Connecting rod bearing cap Do not interchange Mark allocation to cylinder using a color marker -B-, see «MARKING CONNECTING ROD»(ref-196254-S07854954512006041700000) Observe when installing bearing cap: Tabs at contact surfaces at face of connecting rod must be aligned -A- Installed position of connecting rod pairs, see «PISTON RING-CHECKING END GAP»(ref-196254-S26219381622006041700000)
3. Bearing shell Note installed position Do not interchange run-in connecting rod bearing shells (mark) Measuring radial play, see «CONNECTING ROD RADIAL PLAY, CHECKING»(ref-196254-S33320646572005100700000) Tighten bolts -item 1 - to 30 Nm when measuring radial clearance, but do not turn further
4. Connecting rod Replace only as a set Mark allocation to cylinder using a color marker -B-, see «MARKING CONNECTING ROD»(ref-196254-S07854954512006041700000) Observe when installing bearing cap: Tabs at contact surfaces at face of connecting rod must be aligned -A- Installed position of connecting rod pairs, see «PISTON RING-CHECKING END GAP»(ref-196254-S26219381622006041700000)
5. Snap ring
6. Piston pins For difficulty of movement, warm pistons to approx. 60°C Use VW222a pilot drift to remove and install
7. Pistons Installed position and allocation piston/cylinder, see «INSTALLED POSITION AND ALLOCATION PISTON/CYLINDER»(ref-196254-S29071938852006041700000) Arrow on piston head points to belt pulley side Checking, see «CHECKING PISTON»(ref-196254-S19156627572006041700000) Install with piston ring tension strip See «PISTON AND CYLINDER MEASUREMENTS»(ref-196254-S21933507912005100700000) Checking cylinder bore, see «CHECKING CYLINDER BORE»(ref-196254-S04035682502006041700000)
8. Piston rings Shift by 120° Use piston ring pliers to remove and install Marking or identification "TOP" i.e. marked side must face toward the piston head Check end play, see «PISTON RING-CHECKING END GAP»(ref-196254-S26219381622006041700000) Checking height play, see «PISTON RING-CHECKING HEIGHT PLAY»(ref-196254-S36390403892006041700000)