Checking variable valve timing when driving: Audi A6 C5 3.0 (ASN, AVK, BBJ)
Step-by-step checking variable valve timing when driving for the Audi A6 C5 3.0: 17 steps. What to remove, in what order, and what to check after.
Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: Audi A6 C5 (4B)
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- To avoid accident risks when road testing the vehicle with test equipment, always observe the relevant safety precautions . — Touch one of the keys (4) to switch from "“Basic setting”" to "“Read measured value block”".
📋 Procedure
- ⚠ To avoid accident risks when road testing the vehicle with test equipment, always observe the relevant safety precautions . — Touch one of the keys (4) to switch from "“Basic setting”" to "“Read measured value block”".
- Press the ← key.
- Press keys 90 on keypad (2) to select "“Display group 090”" and confirm entry by pressing Q key.
- Check information shown in display zones (2, 3, 4).
- Perform test drive.
- Accelerate the vehicle from 2000 rpm at full throttle in third gear.
- Check information shown in display zones (2, 3, 4). [Note: If the readout shows a value of 3 ...19 °CA during the test drive, the camshaft control valve is working correctly and feeding the oil pressure to the mechanical camshaft adjuster, but the mechanism is not able to reach its end position (possibly because it is not moving freely).]
- Press keys 91 on keypad (2) to select "“Display group 091”" and confirm entry by pressing Q key.
- Check display in display zones (3) and (4).
- Perform test drive.
- Accelerate the vehicle from 2000 rpm at full throttle in third gear.
- Check display in display zones (3) and (4). [Note: If the readout shows a value of 3 ... 39 °CA during the test drive, the camshaft control valve is working correctly and feeding the oil pressure to the mechanical camshaft adjuster, but the mechanism is not able to reach its end position (possibly because it is not moving freely).]
- Switch to "“display group 092”" by touching ↑ key.
- Check display in display zones (3) and (4).
- Perform test drive.
- Accelerate the vehicle from 2000 rpm at full throttle in third gear.
- Check display in display zones (3) and (4). [Note: If the readout shows a value of 3 ... 39 °CA during the test drive, the camshaft control valve is working correctly and feeding the oil pressure to the mechanical camshaft adjuster, but the mechanism is not able to reach its end position (possibly because it is not moving freely).]
Other AUDI procedures
- Checking solenoid valves for camshaft adjustment – Audi ASN
- Checking injection quantity – Audi A8 D3
- Removing and installing kickdown switch F8 – Audi A8 D3
- Checking activation of secondary air pump relay – Audi A4 B5
- Checking function of exhaust flap – Audi A6 C5 3.0
- 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
Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.