Exploded view - valve gear, engine codes BZB, CAWB, CBFA, CCTA, CDAA, CCZA — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Special tools named: torque wrench
• Renewed: bolts

Don't miss

• Take care to keep cylinder head cover straight.

🔧 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. Loosen cylinder head cover bolts in the sequence 1 ... 6.
2. Renew bolts.
3. Fit bolts in the sequence (1 ... 6) and hand-tighten in several stages.
4. Tighten bolts in the sequence (1 ... 6) to 8 Nm using torque wrench. — 8 Nm (5.9 lb-ft)
5. Turn 90° further in the sequence (1 ... 6) using a rigid wrench. [Note: Take care to keep cylinder head cover straight.] [Note: Inlet and exhaust valves must not be machined. Only grinding-in is permitted.]

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• Installing engine – Audi A8 D4 · 36 torque figures
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