TT Coupe L4-2.0L Turbo (BPY) (2008)
‹› Due to separation procedure (cracking) of the connecting rod, the cap only fits in one position and only to corresponding connecting rod.
‹› Affiliation to cylinder mark - B -
‹› Installed location: Markings - A - point to belt pulley side
5
Bearing shells
‹› Upper bearing shell with oil hole for piston pin lubrication
‹› Installed location => [ Installed position of bearing shell ]
‹› Do not interchange used bearing shells (mark)
‹› Axial play new: 0.10 to 0.35 mm. Wear limit: 0.40 mm.
‹› Measure radial clearance with Plastigage (R): New: 0.02 to 0.06 mm Wear limit: 0.09 mm. Do not turn crankshaft when checking radial
clearance
6
Connecting rod
‹› Only replace as set
‹› Affiliation to cylinder mark - B -
‹› Installed location: Markings - A - point to belt pulley side
‹› With oil hole for piston pin lubrication
7
Circlip
8
Piston pin
‹› If difficult to move, heat piston to approx. 60°C
‹› Use pilot drift (VW 222 A) for removal and installation
9
Piston
‹› Checking => [ Checking piston ]
‹› Mark installed position and cylinder allocation
‹› Arrow on piston face points toward belt pulley side
‹› Install with piston ring compressor
‹› Piston and cylinder dimensions => [ Piston and Cylinder Dimensions ] See: Specifications
‹› Cylinder bore, checking => [ Checking cylinder bores ]
10
Piston rings
‹› Offset gaps by 120°
‹› Use piston ring pliers for removal and installation
‹› "TOP" mark must face up toward piston crown
‹› Checking ring gap => [ Checking piston ring gap ]
‹› Check piston ring groove clearance => [ Checking ring to groove clearance ]
Checking piston ring gap