Adjusting preload of tapered roller bearing for bevel gear with stub shaft (friction torque) — VW

🧭 Before you start

Fits: VW Sharan I / SEAT Alhambra (7M)

• Special tools named: dial gauge

📋 Procedure

1. Insert bevel gear with stub shaft (1) into final drive housing.
2. Slide inner race of tapered roller bearing (2) onto bevel gear with stub shaft to stop.
3. Then insert outer ring of small tapered roller bearing by hand into final drive housing.
4. Lay a 2.60 mm thick shim in seat of outer race of small tapered roller bearing (S2 side) in small cover.
5. Insert small cover and tighten bolts to specified torque .

6. Install large cover with outer race of large tapered roller bearing but without deep groove ball bearing, without seal for right flange shaft and without shim S1.
7. Press bevel gear with stub shaft in direction of large cover while turning eight times.
8. Press bevel gear with stub shaft in direction of outer race of small tapered roller bearing while turning eight times.
9. Attach dial gauge and set to "„0“" with 2 mm preload.
10. Move bevel gear with stub shaft up and down ((direction of arrow)).
11. Read play from dial gauge and determine Stotal.

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