Removing and installing secondary air pump relay J299 — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

🔧 Engine codes this applies to

📐 3 workshop diagrams for BDB

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

📋 Procedure

1. Detach vacuum hose (2) from air intake hose (if fitted).
2. Detach air hose (1) at the throttle valve module J338.
3. Unplug electrical connector for air mass meter G70 (item 3).
4. Unscrew air cleaner housing (upper section) (arrow).
5. Take out filter element.

6. Pull cover (1) off air duct (release clips on sides).
7. Unclip air duct (2).
8. Unscrew air cleaner housing (lower section) (arrows).
9. Pull out the 6-position relay carrier from under the electronics box in engine compartment (arrow).
10. Unclip cover of 6-position relay carrier (arrows).
11. Release retaining clips (arrows).
12. Remove 6-position relay carrier (arrow) from cover.
13. Detach secondary air pump relay J299 from position (R5) in 6-position relay carrier beneath electronics box in engine compartment.
14. Pull out the relay carrier from under the electronics box in engine compartment (arrow).
15. Detach secondary air pump relay J299 from position (1) in relay carrier under electronics box in engine compartment.

Other AUDI procedures

• Removing and installing oil pressure switch F1 – Audi A8 D3
• Removing and installing air mass meter G70 – Audi A6 C6
• Removing and installing fuel pump control unit J538 - vehicles with 2.5 ltr. TFSI engine
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• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures