Touareg V8-4.2L (BAR) (2007)
Fuel Rail: Service and Repair
Fuel Rail and Injector Assembly Overview
With Aluminum Intake Manifold
Fuel Rail and Injector Assembly Overview
The opened fuel system is shown in this assembly overview. Therefore:
CAUTION!
‹› Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure. Refer to --> [
Releasing Pressure on High Pressure Side ] See: Fuel Filter/Fuel Pressure Release/Service and Repair.
‹› Then wrap a clean cloth around the connection and relieve the residual pressure by carefully loosening the connection.
‹› Illustration depicts left fuel rail.
1
Radial adjustment
‹› Replace if damaged.
‹› Clip together with support ring --> [ (Item 6) Support ring ].
2
Combustion chamber seal
‹› Do not grease ring or treat with any other lubricant.
‹› Replacing, refer to --> [ Fuel Injector ] See: Fuel Injector/Service and Repair/Fuel Injector.