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Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — AUDI

Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA on Audi: 11 steps, engines BPY, BWA, CDLA, CDLB.

Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.

11 steps 5 engine codes

🧭 Before you start

Fits: Audi TT Mk2 (8J, 2006–2014)

Don't miss

  • Cover opening of intake hose.
  • The illustration shows the intake manifold flap motor V157 with the intake manifold removed.

🔧 Engine codes this applies to

📐 56 workshop diagrams for BPY

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

Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 1
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 2
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 3
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 4
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 5
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 6
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 7
Removing and installing throttle valve module J338 - engines with code letters CDLA, CDLB and CDMA — BPY · diagram 8
+ 48 more diagrams

📋 Procedure

  1. Remove engine cover panel.
  2. Detach vacuum lines (arrows).
  3. Unplug electrical connector at turbocharger air recirculation valve N249(1).
  4. Remove bolt (2).
  5. Release hose clip (3) and detach turbocharger air recirculation valve N249. [Note: Cover opening of intake hose.]
BPY? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove bracket (arrow) for wiring harness.
  2. Unplug electrical connectors connected to wiring harness and move wiring harness as far as necessary to one side.
  3. Pull bracket for connector off coolant pipe.
  4. Carefully pry off linkage from intake manifold flap motor V157(4).
  5. Unbolt intake manifold flap motor V157(5). [Note: The illustration shows the intake manifold flap motor V157 with the intake manifold removed.]
  6. Install in reverse order.
Workshop diagrams

Ask TorqFix about your Audi BPY — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.

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Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

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Workshop data on this page last updated 20 Sep 2026.