Passat Wagon L4-2.0L Turbo (CCTA) (2009)
3
Bearing shells
‹› 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: New: 0.02 to 0.06 mm Wear limit: 0.09 mm. Do not turn crankshaft when checking 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 difficult to move, heat piston to approximately 60 °C
‹› removing and installing using a drift (VW 222 A)
8
Piston
‹› checking => [ Pistons, Checking ]
‹› 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 => [ Cylinder Bore, Checking ]
9
compression rings
‹› Offset gaps by 120°
‹› use piston ring pliers for removal and installation
‹› "TOP" mark must face up toward piston crown
‹› Checking ring gap => [ Piston Ring Gap, Checking ]
‹› Check piston ring groove clearance => [ Piston Ring Groove Clearance, Checking ]
10
Oil scraping ring
‹› 2-part
‹› Install upper steel ring so gap is offset by 120° to neighboring compression ring
‹› Offset all oil scraping ring component gaps to each other.
‹› Checking ring gap => [ Piston Ring Gap, Checking ]
‹› Side clearance cannot be measured.