Removing and installing tandem pump - vehicles with 2-valve engine — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Renewed: tandem pump gaskets

Don't miss

• Disconnect fuel return hose (1) (blue marking) from fuel pipe.
• Empty the bleeder container before it becomes full. Do not allow fuel to enter hand vacuum pump.
• Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue.Renew tandem pump gaskets.Ensure proper seating of tandem pump actuator in camshaft.

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Lift engine cover panel at the sides (arrows 1) and pull off towards the front (arrow 2).
2. Lift off engine cover panel (outside (1) and inside (2)) by pulling up evenly.
3. Pull cover off air duct (release clips on sides) (arrows).
4. Unclip air duct at the bottom by releasing clips (arrows).
5. Detach air duct (bottom) together with air hose.

6. Unplug electrical connector (1) at air mass meter G70.
7. Detach vent hose (3) and air hose (2).
8. Unscrew bolt (4) and remove air cleaner housing.
9. ⚠ The fuel system is pressurised. Wrap a cloth around the connection before opening the system. Then release pressure by carefully loosening the connection.In extreme cases the temperature of the fuel lines and the fuel can be up to 100 °C after the engine is switched off. Allow the fuel to cool down before disconnecting the lines - danger of scalding.Wear protective gloves.Wear safety goggles. — Disconnect fuel supply hose (2) from tandem pump.
10. Disconnect fuel return hose (1) (blue marking) from fuel pipe.
11. Connect compressed air line to diesel extractorVAS 5226.
12. Connect diesel extractorVAS 5226 to fuel return hose. [Note: Empty the bleeder container before it becomes full. Do not allow fuel to enter hand vacuum pump.]
13. Operate diesel extractorVAS 5226 until no more fuel comes out of return hose.
14. Detach vacuum hose (arrow) going to brake servo at tandem pump.
15. Remove bolts (arrows).
16. Remove tandem pump from cylinder head. [Note: Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue.Renew tandem pump gaskets.Ensure proper seating of tandem pump actuator in camshaft.]
17. Install tandem pump and tighten top securing bolts to 20 Nm. — 20 Nm (15 lb-ft)
18. Tighten bottom securing bolts to 10 Nm. — 10 Nm (7.4 lb-ft)
19. Connect all hoses to tandem pump.

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