Removing and installing (left-hand drive models) park assist steering control unit J791 — VW

🧭 Before you start

Fits: VW Golf V / Jetta (1K, 2003–2009); platform code AJ5

🔩 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. ⚠ Switch off ignition and all electrical consumers.Remove ignition key. — Remove left trim on driver side General body repairs, interior68Compartments, covers and trims; Removing and installing left trim on driver side.
2. Unscrew bolt (arrow) holding park assist steering control unit J791 in place above relay carrier.
3. Removing windscreen wiper system
4. Unscrew nuts (arrows) and remove cover (1).
5. Release and detach connectors (arrows) and remove the park assist control unit J446(1) upwards out of bracket.
6. Tighten bolt for park assist steering control unit J791 to 1.5 Nm. — 1.5 Nm (1.1 lb-ft)

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