Removing and installing suction-jet pump (right-side): Audi A8 D3 (ASB, ASE, ASN, AUK, …)

🧭 Before you start

Fits: Audi A8 D3 (4E, 2002–2010)

Don't miss

• Disregard (item 1).
• Disregard (item 3).

🔧 Engine codes this applies to

📋 Procedure

1. Remove fuel delivery unit (right-side) .
2. Remove fuel gauge sender 4G393 (tubular sender, right-side) from fuel tank.
3. Working through right fuel tank opening, press release tab and disconnect supply line for suction-jet pump (arrow) from expansion tank.
4. Working through left fuel tank opening, press release tabs and disconnect supply lines (2) and (3) for suction-jet pumps from Y-connector.
5. Working through left fuel tank opening, press release tabs (arrows) and detach fuel supply line (2). [Note: Disregard (item 1).]

6. Pull out disconnected fuel supply line through right fuel tank opening.
7. Working through right fuel tank opening, press release tab (arrow) and detach retaining clip for suction jet lines from retainer.
8. Pull suction-jet pump (right-side) together with lines out of right fuel tank opening.
9. Version with baffle plate: insert suction-jet pump (right-side) (1) so it fits in recess in baffle plate (2) at front of fuel tank, as shown in illustration.
10. Then press retaining clip for suction-jet pump into retainer so it engages audibly.
11. Push fuel supply line through right fuel tank opening into left fuel tank chamber. Note routing: [Note: Disregard (item 3).]
12. Fit fuel supply line (2) onto fuel delivery unit (left-side) so that it engages audibly. [Note: Disregard (item 1).]
13. Push supply line for suction-jet pump through right fuel tank opening into left fuel tank chamber.
14. Working through left fuel tank opening, fit supply lines (2) and (3) for suction-jet pumps onto Y-connector so that they engage audibly.
15. Working through right fuel tank opening, fit supply line for suction-jet pump (arrow) onto connection on expansion tank so that it engages audibly.
16. Insert fuel gauge sender 4G393 into fuel tank.
17. Install fuel delivery unit (right-side) .

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