SEAT 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	Fitting sleeves -3241-

t	Torque wrench -V.A.G 1332-

t	Torque wrench -V.A.G 1410-

t	Socket and key -T10162-

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

–  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- –  Remove brake carrier with brake caliper and tie to body with wire → Brake systems; Rep. gr.46.   Note Hang up brake calliper on body. –  Remove bolt for brake disc and remove brake disc.

–  Unscrew bolt -1- using socket -T10162-. –  Pull wheel hub/wheel bearing unit -2- from stub axle. Installation

–  Carefully push wheel hub/wheel bearing unit -2- onto stub axle.   Caution Ensure that the wheel hubs/wheel bearing unit does not cant! –  Screw in new bolt -1- and tighten to specified torque.   Note t  First tighten bolt to specified torque setting using torque wrench. t  Use a rigid spanner for turning further by angle.

–  Drive in new dust cap -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. Perform remaining installation in reverse order of removal. –  Fit and secure wheel.

Specified torques

Component	Tightening torque
Wheel hub with wheel bearing to wheel bearing housing t  Use new bolt.	200 Nm + 180°
Brake disc to wheel bearing housing	4 Nm