TTS Quattro Roadster L4-2.0L Turbo (CDMA) (2009)
Piston: Service and Repair
Piston and Connecting Rod Assembly Overview
Piston and Connecting Rod Assembly Overview
1
Bolts
‹› Use old bolts for radial play measurement, tighten to 45 Nm but do not tighten further
‹› Replace
‹› Lubricate threads and contact surface
‹› 45 Nm plus an additional 90° turn
2
Connecting Rod Bearing Cap
‹› Mark allocation to cylinder with paint - B -
‹› Installation position: Markings - A - face the pulley side
3
Bearing Shells
‹› Upper bearing shell with oil bore for piston pin lubrication
‹› Installed location => [ Bearing Shell Installation Position in Connecting
Rods ]
‹› Mark used bearing shells for reinstallation but not on the running surface