RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Piston: Service and Repair
Pistons and Connecting Rod Assembly Overview
1
Connecting rod bolt, 40 Nm plus an additional 120° turn
‹› Replace
‹› Lubricate the threads and contact surface
2
Connecting rod bearing cap
‹› Do not interchange
‹› Mark affiliation to cylinder with paint, refer to => [ Mark Connecting Rod ]
‹› Installation position of connecting rod pairs, refer to => [ Connecting Rod, Installed Location ]
3
Bearing shells
‹› Check that retaining tabs are secured
‹› Mark used bearing shells for reinstallation but not on the running surface
‹› Over-sized bearings are available for reworked crankshaft connecting rod journals.
‹› Insert bearing shells with correct color marking, refer to => [ Connecting Rod, Allocating with Connecting Rod Bearing Shells to Crankshaft ]
See: Connecting Rod Bearing/Service and Repair/Removal and Replacement
4
Connecting rod