Renewing small seal on bevel box between gearbox and bevel box — AUDI

🧭 Before you start

Fits: platform codes SF, SG

• Opens: gearbox oil

Don't miss

• Always renew dust seal (A).
• If the circlip is not loose, slightly press on the bearing mounting until the circlip moves. When input shaft is slightly pressed on and then pressed out, do not remove snap ring (A) for bearing (D).
• Secure bevel box with the help of a second mechanic.
• To do this, position screwdriver at different points to prevent seal from canting.

📋 Procedure

1. Remove bevel box .
2. Secure bevel box with M 10 x 60 bolts and nuts to gearbox support2004 (arrows).
3. Drain gear oil from bevel box.
4. Pull dust seal off input shaft by levering off retaining tabs (arrow). [Note: Always renew dust seal (A).]
5. Lever off retaining ring (B) from bearing mounting (C) using 2 screwdrivers. [Note: If the circlip is not loose, slightly press on the bearing mounting until the circlip moves. When input shaft is slightly pressed on and then pressed out, do not remove snap ring (A) for bearing (D).]

6. Position component and tool (thrust plateVW402 and assembly tool T10214) as shown in the diagram. [Note: Secure bevel box with the help of a second mechanic.]
7. Press output shaft (A) with bearing bracket.
8. Press down seal (A) with 3 mm screwdriver. [Note: To do this, position screwdriver at different points to prevent seal from canting.] [Note: Do not damage (B) bearing.]
9. Turn bevel box in assembly bracket with bolting surface for gearbox upwards.
10. Pull out seal using multipurpose toolVW 771/1 and multipurpose toolVW 771/37.
11. Lightly oil new oil seal on outer diameter. Fill space between sealing lips (arrow) half full with sealing greaseElectronic Parts Catalogue.
12. Drive in oil seal to stop without canting using thrust pieceT 10142.
13. Position component and tools as illustrated. [Note: Secure bevel box with the help of a second mechanic.]
14. Press in output shaft and bearing mounting (A) with drift sleeve40-20 until circlip can be inserted.
15. Install dust seal.
16. Install bevel box .
17. Check / top up gear oil in bevel box .

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