A3 Quattro V6-3.2L (CBRA) (2009)
Piston: Service and Repair
Piston and Connecting Rod Component Overview
1
Connecting rod bolt - 30 Nm plus an additional 90°
‹› Replace
‹› Lubricate threads and contact surface
‹› Use old bolt to measure radial play
‹› Tighten to 30 Nm to measure radial play, do not turn further
2
Connecting Rod Bearing Cap
‹› Affiliation to the cylinder mark - B -
‹› Installation position: Markings - A - must align
3
Bearing Shells
‹› Do not interchange used bearing shells (mark)
‹› Bearing shell retaining tabs must be firmly seated in the notches
‹› Installation position: Retaining tabs of both bearing shells lie on the same side of the connecting rod
‹› Axial play new: 0.05 to 0.31 mm; wear limit: 0.40 mm