Removing high-pressure pipe between fuel rail and high-pressure pump — AUDI

🧭 Before you start

Fits: platform codes SF, SG

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• To ensure the injector lines are fitted free of stress, loosen fuel rail and, if necessary, move it slightly. The lines must never be bent or tensioned.

🔧 Engine codes this applies to

📋 Procedure

1. Remove bracket for charge air cooler .
2. Move to service position General body repairs, exterior50Lock carrier; Moving to and back from service position.
3. Loosen oil dipstick on intake manifold.
4. Unscrew bolts (1).
5. Extract dirt from taper seat of union nuts, clean fuel line and line head before removal using cold cleaning solvent and dry off with compressed air.

6. Unscrew union nuts (2) and (3).
7. Remove high-pressure pipes (4).
8. Seal off open lines and connections with clean plugs from engine bung setVAS 6122. [Note: Observe cylinder-specific markings when reusing high-pressure pipes.The high-pressure pipes may be re-used after the following checks:Check taper seal of respective high-pressure pipe for deformation and cracks.The inside of the line must not be deformed, constricted or damaged.Corroded lines should no longer be used.]
9. To ensure the injector lines are fitted free of stress, loosen fuel rail and, if necessary, move it slightly. The lines must never be bent or tensioned.
10. Fill/bleed fuel system .
11. Checking fuel system for leaks .

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