Q5 Quattro V6-3.2L (CALB) (2009)
‹› Replace bearing shells worn down to the base layer
‹› Radial clearance, measuring, refer to => [ Connecting Rod, Measuring Radial Clearance ] See: Connecting Rod/Testing and
Inspection/Connecting Rod, Measuring Radial Clearance
4
Connecting rod
‹› Only replace as set
‹› Mark allocation to cylinder with paint - B - => [ Mark connecting rod ]
‹› When installing bearing cap, observe: The wide thrust flange - A - must point to the same side on connecting rod and connecting rod bearing
cap
‹› Installation position of connecting rod pairs => [ Connecting rod installation position ]
5
Piston pin
‹› Heat piston to 60 °C if it is difficult to move.
‹› Removing and installing using a drift (VW 222 A )
6
Circlip
‹› Replace
7
Piston
‹› Mark installation position and cylinder allocation => [ Piston installed position ]
‹› Arrow on piston face points toward belt pulley side
‹› Checking, refer to => [ Pistons, Checking ] See: Testing and Inspection
‹› Install with piston ring compressor
‹› Piston and cylinder dimensions, refer to => [ Piston and Cylinder Dimensions ] See: Specifications
‹› Measuring cylinder bore, refer to => [ Cylinder Bore, Measuring ] See: Testing and Inspection
8
Piston rings
‹› Offset gaps by 120°
‹› Use piston ring pliers for removal and installation
‹› Installation position: The "TOP" marking or side with writing faces the piston crown.
‹› Gap, measuring, refer to => [ Piston Ring Gap, Measuring ] See: Piston Ring/Testing and Inspection/Piston Ring Gap, Measuring
‹› Measuring side clearance, refer to => [ Ring to Groove Clearance, Measuring ] See: Piston Ring/Testing and Inspection/Ring to Groove
Clearance, Measuring
Piston installed position