Volkswagen Workshop Service and Repair Manuals

Removing and installing wheel bearing unit

Special tools and workshop equipment required

t	Hub grease cap puller -VW 637/2-

t	Drift sleeve -3241/4-

t	Torque wrench -V.A.G 1332-

t	Torque wrench -V.A.G 1410-

Carry out the following work: Removing –  Loosen wheel bolts. –  Raise vehicle. –  Remove wheel.

–  Release brake. –  To do this, insert a screwdriver through a hole in the brake drum and push the wedge upwards. –  Unscrew bolt -1- and remove brake drum -2-.

–  Loosen grease cap from seat by tapping lightly on the claw of the hub grease cap puller -VW 637/2--1-.

–  Pry off grease cap. 1 -  Hub grease cap puller -VW 637/2-

–  Unscrew twelve-point nut -1-. –  Pull wheel hub/wheel bearing unit -2- from stub axle. Installing Install in reverse order. Note the following points:

–  Carefully push wheel hub/wheel bearing unit -2- onto stub axle.   Caution Ensure that the wheel hubs/wheel bearing unit does not cant! –  Screw on new twelve-point nut -1- and tighten to specified torque.

–  Drive in new grease cap using thrust piece -3456--1-. Always renew removed grease caps. Damaged grease caps may allow moisture to enter the bearing. Therefore, always use the tool shown in the illustration. –  Install wheel and tighten bolts or nuts → Chapter.

Specified torques

Component	Specified torque
12-point nut for wheel bearing to stub axle t  Use new nuts.	70 Nm + 30° further
Brake drum to wheel hub	8 Nm