Removing and installing exhaust gas recirculation valve N18 — AUDI

🧭 Before you start

Fits: Audi TT Mk2 (8J, 2006–2014)

• Renewed: o-ring

Don't miss

• Disregard (item 4).
• Disregard (items 1, 2, 4) and (arrow).

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel (arrows).
2. Remove noise insulation General body repairs, exterior 66. Noise insulation; Exploded view - noise insulation.
3. Release hose clip (2), lift retaining clip (1) and remove air hose.
4. Remove bolts (1) and (3).
5. Slacken hose clip (5) at intake manifold flap motor V157, detach air pipe (2) but do not remove. [Note: Disregard (item 4).]

6. Unplug electrical connector (3) at intake manifold flap motor V157. [Note: Disregard (items 1, 2, 4) and (arrow).]
7. Unscrew bolts (arrows) and detach intake manifold flap motor V157.
8. Unplug electrical connector (1) on exhaust gas recirculation valve N18 with exhaust gas recirculation potentiometer G212.
9. Remove bolts (2) and (3) and detach exhaust gas recirculation valve N18 with exhaust gas recirculation potentiometer G212. [Note: Disregard (item 4).] [Note: Renew O-ring.]
10. Install intake manifold flap motor V157.
11. Install air pipe (see the separate procedure).
12. Install air hose with plug-in connector (see the separate procedure).
13. Install noise insulation General body repairs, exterior 66. Noise insulation; Exploded view - noise insulation.

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