Removing and installing lock cylinder: Audi A4 B5

🧭 Before you start

Fits: Audi A4 B5 (8D)

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• To remove the lock cylinder the spare key without illumination and remote control function is needed, as removal is only possible using a key with a flat handle.
• The correct ignition lock position is shown without ignition key for illustration purposes.
• When renewing lock cylinder, note immobiliser reader coil specifications .

📋 Procedure

1. Remove steering column switch .
2. Unplug electrical connector (arrow) at reader coil.
3. Shift selector lever to "“P”" position.
4. Turn ignition key to "“Ignition ON”" position (arrow).
5. Then lift interlock lever (1) slightly and pull locking cable (2) out of ignition lock housing. [Note: To remove the lock cylinder the spare key without illumination and remote control function is needed, as removal is only possible using a key with a flat handle.]

6. Turn spare key to ignition "“ON”" position, thus aligning recess in trim (arrow) with hole in ignition lock. [Note: The correct ignition lock position is shown without ignition key for illustration purposes.]
7. Insert a steel wire or pin (∅ approx. 1.5 mm) (1) in hole as far as it will go, at the same time pulling lock cylinder (2) with reader coil out of steering lock housing (3). [Note: When renewing lock cylinder, note immobiliser reader coil specifications .]
8. ⚠ The steering lock must not be operated without the lock cylinder, otherwise it would lock up completely. A locked-up steering lock must be renewed. — Insert spare ignition key into lock cylinder and turn to ignition "“ON”" position.
9. Re-insert steel wire or pin (1) in hole on end face as far as it will go.
10. Insert lock cylinder (2) with reader coil in steering lock housing (3).
11. Then pull out steel wire and press in lock cylinder firmly until catch engages audibly.
12. Plug in electrical connector on immobiliser reader coil.
13. Turn ignition key to "“Ignition ON”" position (arrow).
14. Slide locking cable (2) into ignition lock housing until it engages audibly.
15. Install steering column switch .

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