Removing and installing throttle valve module J338 - vehicles with hybrid drive — AUDI

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018); platform code 4X

• Renewed: seal

🔧 Engine codes this applies to

📐 44 workshop diagrams for CAEB

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

📋 Procedure

1. ⚠ Working on vehicles with high-voltage wiring:Do not support yourself or tools on high-voltage wiring or associated components --> this can damage the insulation. High-voltage wiring must not be excessively bent or kinked --> this can damage the insulation. The round high-voltage connectors are colour-coded with an external coloured ring and are provided with mechanical coding or guide lugs. It is important to observe this coding when joining up the round high-voltage connectors, otherwise the connectors can be damaged. — Remove engine cover panel .
2. Detach coolant expansion tank and place to one side (coolant hose remains connected).
3. Loosen hose clips (arrows).
4. Unscrew bolt (1) and detach air pipe.
5. Unplug electrical connector (1) from throttle valve module J338.

6. Remove the four bolts (arrows) from throttle valve module J338 and detach throttle valve module J338.
7. Install in reverse order.
8. Clean sealing surface for seal.
9. Renew seal.
10. Erase learnt values and adapt engine control unit J623 to throttle valve module J338.

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