Eos (1F7) L4-2.0L Turbo (CCTA) (2009)
3
Bearing Shells
‹› Installed location, refer to => [ Installed Position of the Bearing Shell ].
‹› Do not interchange used bearing shells (mark them).
‹› Axial play new: 0.10 to 0.35 mm, wear limit: 0.40 mm.
‹› Check radial clearance using Plastigage, new: 0.02 to 00.06 mm, wear limit: 0.09 mm Do not rotate the crankshaft when checking the radial
clearance.
4
Pressure Relief Valve
‹› 27 Nm
‹› Opening pressure: 1.6 to 1.9 bar
5
Oil Spray Jet
‹› For piston cooling.
6
Circlip
7
Piston Pin
‹› If the piston is difficult to move, heat the pin to 60 °C (140 °F).
‹› Remove and install using pilot drift (VW 222 A).
8
Piston
‹› Mark the installed position and cylinder allocation.
‹› The arrow on the piston face points toward the belt pulley side.
‹› Install using a piston ring compressor.
‹› Piston and cylinder dimensions. Refer to => [ Piston and Cylinder Dimensions ] See: Specifications/Piston and Cylinder Dimensions.
‹› Cylinder bore, checking.
9
Compression Rings
‹› Offset gaps by 120°
‹› Use piston ring pliers for removal and installation.
‹› "TOP" mark must face up toward the piston crown.
‹› Checking ring gap, refer to => [ Piston Ring Gap, Checking ].
‹› Checking piston ring groove clearance, refer to => [ Piston Ring Groove Clearance, Checking ].
10
Oil Scraping Ring
‹› 2 piece
‹› Install the upper steel ring so the gap is offset by 120° to the neighboring compression ring.
‹› Offset the oil scraping ring gaps to each other.
‹› Checking ring gap, refer to => [ Piston Ring Gap, Checking ].
‹› Side clearance cannot be measured.