Removing and installing vacuum unit for actuating intake manifold flaps, cylinder bank 2 (left-side) — AUDI

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016), Audi A5 Cabriolet (8F), Audi A4 B8 (8K, 2007–2015)

• Special tools named: 3094
• Renewed: seals

Don't miss

• The coolant hoses remain connected.
• Disregard (arrows).
• Disregard (item 2) and (arrow).
• It is recommended to use a magnet at this stage to prevent the bolt from falling out.
• Renew seals.Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue.

🔧 Engine codes this applies to

📋 Procedure

1. Remove noise insulation (front) (1)General body repairs, exterior66Noise insulation; Removing and installing noise insulation.
2. ⚠ Risk of injury as the radiator fans may start up automatically.Even when the ignition is switched off, the radiator fans can start up without warning due to accumulated heat in the engine compartment, etc. — Clamp off coolant hoses (arrows) with hose clamps 3094.
3. Remove bolt (1). [Note: The coolant hoses remain connected.]
4. Lift off engine cover panels (1) and (2).
5. Release hose clip (1), detach vacuum hose from vacuum pump and move vacuum hose clear. [Note: Disregard (arrows).]

6. Clamp off coolant hoses (1) using hose clamps 3094, release hose clips and detach coolant hoses from coolant pipes on supercharger.
7. Remove bolt (2).
8. Unplug electrical connector (1) at coolant temperature sender G62. [Note: Disregard (item 2) and (arrow).]
9. Remove bolt (2) and detach bracket (3).
10. Swivel coolant pipe (1) to side.
11. Remove bolts (2, 3) and detach intake manifold flap potentiometer 2G512. [Note: It is recommended to use a magnet at this stage to prevent the bolt from falling out.]
12. Unclip operating rod (1) of vacuum unit (2) from ball head.
13. Disconnect vacuum hose (3) and detach vacuum unit. [Note: Renew seals.Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue.]
14. Install engine cover panel.
15. Check coolant level .

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