Installing sump (top section) - "engine generation III": Audi A4 B5 (ACK, AGA, AHA, AJG, …)

🧭 Before you start

Fits: Audi A4 B5 (8D)

• Opens: coolant
• Renewed: o-ring

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• Wear safety goggles. — Clean sealing surfaces; they must be free of oil and grease.
• Cut off tube nozzle at front marking (diameter of nozzle approx. 3 mm).

🔧 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. Remove sealant residue from sump (top section) and cylinder block with rotating plastic brush or similar.
2. ⚠ Wear safety goggles. — Clean sealing surfaces; they must be free of oil and grease.
3. Cut off tube nozzle at front marking (diameter of nozzle approx. 3 mm).
4. Apply sealant bead to clean sealing surface of top section of sump, as shown in illustration. [Note: The sump (top section) must be installed within 5 minutes after applying sealant.Sealant bead must not be wider than 3 mm, otherwise excess sealant could ingress into sump and clog strainer in oil intake pipe.Take particular care when applying sealant bead in area of rear sealing flange (arrows).]
5. Fit top section of sump in position (2nd mechanic required) and pre-tighten bolts (1) and (2) securing top section of sump to cylinder block diagonally to 5 Nm. — 5 Nm (3.7 lb-ft)

6. Tighten bolts securing sump (top section) to gearbox.
7. Tighten bolts securing sump (top section) to cylinder block diagonally to final setting.
8. Install oil pump .
9. Install sump (bottom section) Installing sump (bottom section) - engines with moulded gasket or Installing sump (bottom section) - engines with liquid gasket.
10. Install subframe (note tightening sequence) 40.
11. Renew O-ring on guide tube for oil dipstick and insert guide tube into hole in top section of sump.
12. Install starter 27.
13. Install poly V-belt .
14. Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight and tighten bolts.
15. Fill up with engine oil and check oil level .
16. Observe notes on procedures required after connecting battery 27.
17. Fill cooling system .

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