Removing and installing fuel delivery unit, front-wheel drive — AUDI

🧭 Before you start

Fits: VW Caddy IV (SA, 2015–2020)

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• If fuel delivery unit is to be renewed, old delivery unit must be drained before disposal.
• After installing fuel delivery unit, check that supply and return lines are still clipped onto fuel tank.

🔧 Engine codes this applies to

📐 39 workshop diagrams for CAYD

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Disconnect earth cable at battery with ignition switched off 27Disconnecting and connecting battery.
2. Remove fuel tank .
3. ⚠ The fuel and the fuel lines in the fuel system can become very hot (danger of scalding)!The fuel system is also under pressure! Before opening the system, place cloths around the connections. Then carefully loosen connection to release the pressure!Wear eye and hand protection when performing any type of repair work on the fuel system! — Release connector (arrow) and pull it off flange (1).
4. Remove fuel lines (1) and (2)Separating plug-in connectors.
5. On vehicles with auxiliary heater, remove fuel lines (3)Separating plug-in connectors.

6. Unscrew union nut (1) using union nut tool3217.
7. Pull fuel delivery unit and seal out of the opening in fuel tank. [Note: The lint-free cloth can be ordered from the ServiceNet; Workshop Equipment; Techno equipment catalogue; BMK consumables.Always work carefully and ensure cleanliness when working on the fuel system. The fuel system reacts sensitively to the ingress of dirt.]
8. If the fuel delivery unit needs to be exchanged, check the inside of the fuel tank for contaminants/soiling and, if necessary, clean with a lint-free cloth.
9. If fuel delivery unit is to be renewed, old delivery unit must be drained before disposal.
10. Push sealing flange downwards against spring force and bring sealing flange into installation position.
11. Tighten union nut (1).
12. After installing fuel delivery unit, check that supply and return lines are still clipped onto fuel tank.
13. Observe installation position of fuel supply line to supplementary heater Auxiliary heater, supplementary heater82Fuel supply system.

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