Audi Workshop Service and Repair Manuals

‹› Reduce fuel pressure in the high pressure area=> [ Before Opening High Pressure Fuel Injection System ] See: Cylinder Head Assembly/Fuel

Pressure Release/Service and Repair.

‹› Do not change bent shape

‹› Never bend bracket from the fuel line.

‹› If bracket is bent, or if the fuel line is being replaced, then the bracket must be replaced.

‹› Tightening => [ High pressure line, installing ] 

7

Bolt

‹› 9 Nm

8

Threaded support

‹› 40 Nm

9

Stud bolt

10

Nut

‹› 9 Nm

11

Retaining bracket for fuel rail

12

Bolt

‹› 2.5 Nm

13

Bolt

‹› 9 Nm

14

Sleeve

15

Fuel rail

16

Seals

‹› Replace

17

Support ring

‹› Make sure it is seated properly

‹› The fuel rail wields force via the support ring to hold the fuel injector tightly in the cylinder head.

18

O-ring

‹› Replace

‹› Coat with clean engine oil

19

Spacer ring

‹› Replace if damaged

20

Combustion chamber seal

‹› Replacing => [ Fuel Injectors ] See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and Repair.

21

Radial adjustment