Injection valves (CSEA engine) - remove and install — VW

🧭 Before you start

Fits: platform codes 6A1, 6A5

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• Slightly lubricate the sealing rings (6) with clean engine oil before installing.
• Ensure proper seating of sealing rings.
• Ensure the proper fastening clamp installation position.
• Ensure proper seating of injection valves (7) when installing on the injection valve seat (4).

🔧 Engine codes this applies to

📋 Procedure

1. ⚠ Follow the instructions below to prevent severe injuries:With the ignition switched off, disconnect the earth wire from the BatteryAElectrical equipment 27 Starter, alternator, batteryAlways disconnect the fuel rail supply on the engine compartment connection next to the A-pillar, rather than on the fuel rail.In vehicles equipped with the E-Flex cold start system, the fuel rail may be hot. — Remove the air filter line (1).
2. Remove the air filter fastening bolt.
3. Move the air filter upwards (2) and slide the filter towards the front of the vehicle, in points (3).
4. Press the air filter with nozzle in the direction of the (arrow), removing it from the support (4).
5. Remove the air filter from the engine compartment.

6. Disconnect the connectors (1) and (2).
7. Remove the fastening clips (3) from fuel rail electric cables.
8. ⚠ The fuel supply hose is under pressure! Always wear protection gloves and glasses, so as to prevent serious injuries and contact with the skin. Before loosening hose connections, wrap the connection points with a cloth. Eliminate the pressure, carefully pulling the connection. — Release the fuel intake line by carefully pressing hose connector (1) downwards; next, press the locks, moving the connector upwards and towards the Activated charcoal filter solenoid valve IN80(2) follow the same instructions.
9. Open line clamps (3) and remove the pipes.
10. Close the lines to prevent impurities from entering the fuel supply system, using the Pipe sealing tool T10249/2.
11. ⚠ Follow the instructions below to prevent severe injuries:With the ignition switched off, disconnect the earth wire from the BatteryAElectrical equipment 27 Starter, alternator, batteryAlways disconnect the fuel rail supply on the engine compartment connection next to the A-pillar, rather than on the fuel rail.With the E-Flex cold start system, the fuel rail may be hot. — Remove the fuel rail fastening bolts (1) in the intake manifold.
12. Remove the fuel rail (2) along with the injection valves (7) and the intake manifold glow plugs.
13. Carefully remove the fastening clamp (5) from the injection valve.
14. Remove the fuel rail injection valve.
15. Replace the sealing rings (6).
16. Slightly lubricate the sealing rings (6) with clean engine oil before installing.
17. Ensure proper seating of sealing rings.
18. Ensure the proper fastening clamp installation position.
19. Ensure proper seating of injection valves (7) when installing on the injection valve seat (4).

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