S4 V8-4.2L (BHF) (2004)
Fuel Rail: Locations
Fuel Rail With Fuel Injectors - Component Overview
1. Intake manifold
2. O-ring
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Removing and installing fuel injectors.
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Always replace
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Coat with clean engine oil
3. 10 Nm
4. Fuel return line
5. Fuel supply line
6. Fuel rail
7. Vacuum line
8. Pressure regulator valve for crankshaft housing ventilation
9. 10 Nm
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Tighten diagonally in sequence
10. Lifting eye
11. 23 Nm
12. Gasket
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For intake manifold
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Always replace
13. Locking pin - 0.6 Nm