Bolted wheel bearing unit, removing and installing
Special tools, testers and auxiliary items required
- Thrust plate VW 401
- Thrust plate VW 402
- Sleeve VW 416 B
- Punch VW 412
- Punch VW 407
- Sleeve VW 519
1 - Wheel bearing housing
- Wheel bearing housing, removing and installing → Wheel bearing housing (aluminum) - all wheel drive, removing and installing
2 - Wheel bearing
3 - Wheel hub
- Removing and installing → Bolted wheel bearing unit, removing and installing
4 - Collar screw
- Always replace
- Tighten to 200 Nm plus an additional 180° turn
- Tighten to 200 Nm, if vehicle is raised, only tighten with additional turn when vehicle is on floor
- If vehicle is resting on floor, do not loosen more than 90°
5 - Drive axle
- Removing and installing → Drive axles, removing and Installing
- Servicing (with inner joint 100 mm dia.) → Drive axle with constant velocity inner joint (diameter 100 mm), servicing
- Servicing (with inner joint 108 mm dia.) → Driveshaft with constant velocity inner joint (diameter 108 mm), servicing
6 - Washer
7 - Nut, self-locking
- Always replace
8 - Strut
- Removing and installing → Strut
- Observe installed location Strut location
- Note different vehicle versions, see vehicle data plate. Clarification of Production Control numbers (PR No.)
- Faulty struts must be vented and emptied before disposal → Strut, checking
- Check removed strut → Strut, checking
9 - Combi-bolt, 36 Nm
10 - Hex socket head bolt, 10 Nm
11 - Speed sensor
- Wire routing Speed sensor wire routing on trapezoidal control arm , Speed sensor wire routing on trapezoidal control arm
12 - Cap bolts (4x) 80 Nm plus an additional 90° turn
- Always replace
13 - Combi-bolt
- Always replace
- Tighten to 150 Nm plus an additional 90° turn
- Tighten bolt only in curb weight position
- Puller 3- Kukko 15-17
- Engine/transmission jack V.A.G 1383 A
Removing
- Drive axle, removing and installing → Drive axles, removing and Installing
- Remove mounting bolts - 1 - from brake caliper.
- Remove brake caliper and hang up on body.
- Remove disc brake.
- Remove cap bolts - 1 - and - 2 -
- Pull wheel bearing unit outward.
Pressing wheel hub out of 82 mm diameter wheel bearing housing
Press bearing inner race from hub.
- Insert separator into of bearing inner race ring groove - arrow - , and pre-tension with spindle.
- Use commercially available separating device e.g. Kukko 15-17.
- Press bearing inner race off from wheel hub.
With light weight wheel hubs, slide washer must be replaced. → Slide washer, removing and installing
Pressing wheel hub into 82 mm diameter wheel bearing
- When pressing on, thrust piece VW 511 must bear only against inner race.
Installing
Installation is in reverse order of removal.
Bonded rubber bushings have a limited torsional range. Only tighten threaded connections at control arms if vehicle is in curb weight position → Wheel bearing, lifting to curb weight position
- Drive axle, removing and installing → Drive axles, removing and Installing
| Torque specifications: | |
|---|---|
| Drive axle to wheel hub M14, use new bolt! | 115 Nm plus an additional 1 /2 turn (180°) |
| Drive axle to wheel hub M16, use new bolt! | 200 Nm plus an additional 1 /2 turn (180°) |
| Drive axle to flange shaft M8 | 40 Nm |
| Drive axle to flange shaft M10 | 70 Nm |
| Brake caliper to stub axle carrier | 70 Nm plus an additional 1 /4 turn (90°) |
| Wheel bearing unit to stub axle carrier | 80 Nm plus an additional 1 /4 turn (90°) |