Procedure for vehicles with differential lock — AUDI

🧭 Before you start

Fits: platform code 70A

• Special tools named: puller

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• Pull out seal using VW 771 and puller hooksVW 771/37. In the process, ensure that differential lock remains engaged.

📋 Procedure

1. Unbolt drive shaft and tie up.
2. Engage differential lock using vacuum operation or by hand on selector fork and swivel head, and clamp off vacuum hose using hose clamp3094 so that differential lock remains engaged.
3. Pierce sealing cap in drive flange with a screwdriver and lever out.
4. Remove securing ring for drive flange.
5. Pull off drive flange with VW 391.

6. Place drip tray underneath.
7. Pull out seal using VW 771 and puller hooksVW 771/37. In the process, ensure that differential lock remains engaged.
8. Drive in new seal to stop.
9. Half-fill space between sealing lip and dust lip with greaseG 052 128 A1.
10. Clamp output shaft with drive flange in vice using protective jaw covers.
11. Use new retaining ring (A) to press old retaining out of groove in output shaft.
12. Drive in output shaft with drive flange using drift sleeve40-21.
13. Remove hose clamp3094.
14. Switch off differential lock.
15. Renew drive flange/drive shaft seal (pull off protective foil and glue seal into joint).
16. Bolt on drive shaft Running gear, axles, steering from January 199642Repairing rear wheel bearings (front and four-wheel drive); Removing and installing rear drive shaft.
17. Check rear final drive oil .

Other AUDI procedures

• 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
• Checking fuel gauge sender G - vehicles with high-voltage system
• Removing and installing fuel pump control unit J538 - vehicles with high-voltage system
• Checking wiring and components with isolator box, 198-pin VAS 6606
• Removing and installing clutch valve for all-wheel drive N445 or clutch valve 2 for all-wheel drive N446, 0BE, 0BF
• Removing and installing side airbag with side airbag igniter on driver side N199 or side airbag igniter on front passenger side N200