Removing and installing crankshaft: Audi A4 Cabriolet B6/B7 / A4 B6/B7 2.5 TDI (AFB, AKE, AKN, AYM, …)

🧭 Before you start

With the crankshaft in place, renew all bearing cap bolts and fit the dowel sleeves into the caps. Tighten bolts 1 to 8 to 60 Nm and turn them 90° further, then do the same with bolts 9 to 16. Finish by tightening bolts A to 28 Nm.

Fits: Audi A4 Cabriolet B6/B7 (8H), Audi A4 B6/B7 (8E)

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• Renew bearing cap bolts 1 to 16; they are angle-tightened and must not be reused.
• Insert the dowel sleeves in the bearing caps before fitting them.
• Follow the sequence: bolts 1 to 8 first, then bolts 9 to 16, each to 60 Nm plus 90°.
• Use a fixed wrench for the 90° angle stage, not a ratchet that can overshoot.
• Tighten bolts A to 28 Nm last.

Written for this job from the workshop steps below · TorqFix editorial.

🔧 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.

📐 60 workshop diagrams for AFB

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Renew bolts (1 … 16).
2. Insert dowel sleeves in bearing cap.
3. Tighten bearing cap bolts in following sequence:
4. Tighten bolts (1 ... 8) to 60 Nm. — 60 Nm (44 lb-ft)
5. Turn bolts (1 ... 8) 90° (1/4 turn) further using a fixed wrench.
6. Tighten bolts (9 ... 16) to 60 Nm. — 60 Nm (44 lb-ft)
7. Turn bolts (9 ... 16) 90° (1/4 turn) further using a fixed wrench.
8. Tighten bolts (A) to 28 Nm. — 28 Nm (21 lb-ft)

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