II Wheel Bearings, Servicing
II Wheel bearings, servicing
Special tools and equipment
^ VW 401 Thrust plate
^ VW 407 Punch
^ VW 408A Punch
^ VW 412 Thrust disc
^ VW 432 Press piece
^ VW 442 Thrust pad
Special tools and equipment
^ VW 447i Thrust pad
^ VW 459 Removal and press appliance
^ 40-105 Thrust piece
^ 3252 Box wrench 46 mm (1.81 inch) AF
^ 3253/1 Fitting appliance
^ 3423 Puller
Special tools and equipment
^ VAG 1331 Torque wrench
^ VAG 1332 Torque wrench
^ VAG 1410 Torque wrench
CAUTION:
^ If a vehicle has to be moved after removing the drive axle, first install the outer CV joint and tighten the nut to 50 Nm (37 ft. lbs.). Otherwise the wheel bearing will be damaged.
^ Do not attempt to weld or straighten the load bearing suspension components, or components that locate the wheels.
^ Always replace self-locking nuts.
^ Always replace corroded nuts/bolts.
1. Suspension strut
2. Self-locking nut
^ Always replace
^ 60 Nm (44 ft. lbs.) plus additional 90° turn
^ Never less than 90°!
^ Turning angle tolerance 90° to 120°
3. Wheel bearing housing
For vehicles:
^ With 85 kw (115 Hp) gasoline engine
^ With TDI engine
4. Tie rod end
5. Splash plate
6. Hex. bolt
^ 10 Nm (7 ft. lbs.)
7. Wheel bearing
^ Pressing out, Refer to Fig. 4
^ Always replace, as it is destroyed during pressing out
^ Pressing in, Refer to Fig. 5
8. Circlip
^ Make sure clip is correctly seated
9. Wheel hub with ABS wheel speed sensor rotor
^ Rotor is welded to wheel hub
^ Check rotor for lateral run-out
10. Guide pins
^ 28 Nm (20 6 ft. lbs.)
11. Protective cap
12. Brake caliper
Vehicles:
^ With 85 kw (115 Hp) gasoline engine
^ With TDI engine
^ Servicing
Refer to Brakes and Traction Control; Servicing front brake caliper. FS III brake caliper
CAUTION:
^ Do not loosen the brake hose when working on the front suspension
^ Suspend the brake caliper using a piece of wire or similar.
^ Do not allow the caliper to hang by the brake hose. The unsupported weight can stretch and damage the hose.
13. Ventilated brake disc
14. Wheel bolt
^ 120 Nm (88.5 ft. lbs.)
15. Self-locking 12-point nut
^ Always replace
16. Phillips-head screw
^ 4 Nm (35 inch lbs.)
17. Brake carrier
18. Brake caliper Vehicles with 110 kw(150 Hp) gasoline engines
CAUTION:
^ Do not loosen the brake hose when working on the front suspension
^ Suspend the brake caliper using a piece of wire or similar.
^ Do not allow the caliper to hang by the brake hose. The unsupported weight can stretch and damage the hose.
19. Self-locking combi bolt
^ 125 Nm (92 ft. lbs.)
^ Clean ribs on under side of bolt head
20. Wheel bearing housing
^ Vehicles with 110 kw (150 Hp) gasoline engines
21. Self-locking nut
^ 45 Nm (33 ft. lbs.)
22. Ball joint
23. Self-locking nut, 45 Nm (33 ft. lbs.)
^ Always replace
^ 45 Nm (33 ft. lbs.)
24. Hex. bolt
^ Always replace
25. Socket-head bolt
^ 8 Nm (71 inch lbs.)
26. ABS wheel speed sensor
^ Before inserting sensor, clean installation hole inner surface and coat with lubricating paste G 000 650
27. Drive axle
Fig. 1 Pressing wheel hub out of wheel bearing housing
Fig. 2 Pulling bearing inner race out of wheel hub
Fig. 3 Removing circlip
Fig. 4 Pressing wheel bearing out of wheel bearing housing
- Grease holes in wheel bearing housing completely with Molykote grease, Part No. N052 723 00.
Use grease packet from repair set.
Fig. 5 Pressing wheel bearing into wheel bearing housing
- Install circlip.
- Make sure circlip is seated correctly.
- The opening in the circlip must point at the bottom of the wheel bearing housing as shown in, Refer to Fig. 3
Fig. 6 Pressing hub into wheel bearing