Radiator and radiator fans - exploded view — AUDI

🧭 Before you start

Fits: Audi A8 D3 (4E, 2002–2010)

🔧 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. Tighten bolts (3, 4, 5) to 9 Nm. — 9 Nm (6.6 lb-ft)
2. Remove old O-ring (2) from coolant hose (3).
3. Lubricate new O-ring with coolant additive and fit O-ring in coolant hose.
4. Press coolant hose onto connection (1) until it engages audibly.
5. Press coolant hose in again and then pull to check that plug-in connector is correctly engaged.

Other AUDI procedures

• Removing cylinder head (left-side)
• Renewing valve stem oil seals with cylinder head installed
• Renewing valve stem oil seals with cylinder head removed
• Checking turbocharger and charge pressure control – Audi A8 D2
• Removing and installing front exhaust pipe (left-side) with starter catalytic converter and main catalytic converter
• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures