Removing and installing exhaust flap control unit J883/J945, Passat with engine code CJXA — VW

🧭 Before you start

Fits: VW Golf VII Variant (BA), VW Golf VII (5G, 2012–2020), VW Sharan II / SEAT Alhambra (7N, 2010–), VW Passat B8 (3G, 2014–)

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• The key on exhaust flap control unit(1) must engage in grooves (arrows) on exhaust flap.

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Separate electrical connectors.
2. Unscrew nuts (arrows), and remove exhaust flap control unit (1).
3. The key on exhaust flap control unit(1) must engage in grooves (arrows) on exhaust flap.
4. Tighten new nuts of exhaust flap control unit to 3 Nm. — 3 Nm (2.2 lb-ft)
5. Connect connector.

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