Installing bottom part of sump - engines with liquid gasket — AUDI

🧭 Before you start

Fits: Audi A8 D2 (4D)

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• A liquid gasket must be used again on engines on which the bottom part of the sump had been fitted with a liquid gasket. — Use rotating plastic brush for example to remove sealant remnants at bottom and top part of sump.
• Wear safety goggles. — Clean sealing surfaces; surfaces must be free from oil and grease.
• Cut off tube nozzle at front mark (∅ of nozzle approx. 3 mm).
• After applying the sealant, the bottom part of the sump must be fitted within 5 minutes.The sealant bead must not be thicker than specified, as otherwise surplus sealant could ingress into the sump and clog the oil pump screen.

🔧 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. ⚠ A liquid gasket must be used again on engines on which the bottom part of the sump had been fitted with a liquid gasket. — Use rotating plastic brush for example to remove sealant remnants at bottom and top part of sump.
2. ⚠ Wear safety goggles. — Clean sealing surfaces; surfaces must be free from oil and grease.
3. Cut off tube nozzle at front mark (∅ of nozzle approx. 3 mm).
4. Apply sealant bead as shown to clean sealing surface of bottom part of sump. [Note: After applying the sealant, the bottom part of the sump must be fitted within 5 minutes.The sealant bead must not be thicker than specified, as otherwise surplus sealant could ingress into the sump and clog the oil pump screen.]
5. Fit bottom part of sump in position and pre-tighten all bolts diagonally to 5 Nm. — 5 Nm (3.7 lb-ft)
6. Diagonally tighten bolts for bottom part of sump.
7. Pour in engine oil and check oil level .

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