S5 Quattro Coupe V8-4.2L (CAUA) (2009)
3
Support ring
‹› Replace if damaged
‹› Clip together with support ring => [ (Item 8) Support ring ]
4
O-ring
‹› Replace
‹› Coat with clean engine oil
5
Spacer ring
‹› Replace if damaged
6
Fuel injector
‹› Removing and installing, refer to => [ Fuel Injectors ] See: Service and Repair/Plastic
7
Combustion chamber seal
‹› Do not grease ring or treat with any other lubricant
‹› Replace
8
Support ring
‹› Replace
‹› The fuel rail wields force via the support ring to hold the fuel injector tightly in the cylinder head.
9
Fuel rail
‹› Removing and installing, refer to => [ Intake Manifold, Lower Section, with Fuel Rail ] See: Service and Repair/Plastic
10
Fuel Pressure Sensor (G247)
‹› Coat the sealing ball with oil
‹› 25 Nm
11
Intake manifold lower section
‹› Removing and installing, refer to => [ Intake Manifold, Lower Section, with Fuel Rail ] See: Service and Repair/Plastic
‹› 10 Nm
Intake Manifold Vacuum Hoses Connection Diagram