SEAT Workshop Service and Repair Manuals

Wheel bearing assembly (steel): Removing and installing Consult the equivalence table for tools and equipment according to applicability between Seat / VW / Audi / Skoda → Chapter.

Special tools and workshop equipment required

t	Hub cover extractor -VW 637/2-, see equivalency → Anchor

t	Puller sleeve -3241/4-, see equivalency → Anchor

t	Torque wrench -V.A.G 1332-, see equivalent → Anchor.

t	Torque wrench -V.A.G 1410-, see equivalent → Anchor.

t	Socket and key -T40027-

Removal: –  Remove wheel.

–  Tap gently to detach grease cap from its seat.

–  Pry off grease cap. –  Fit wheel and lower vehicle onto its wheels.

–  Loosen mounting bolt on hub only 90° otherwise the wheel hub can be damaged.   WARNING The vehicle must be on wheels while the screw is loosened and tightened. Accident risk –  Remove wheel. –  Disassembly the brake disk → Brake system; Rep. gr. 46.   Note t  Tie up brake caliper to body with wire. t  Do not suspend the brake caliper from the brake hose. –  Remove coil spring → Chapter.

–  Unscrew mounting bolts -1- from wheel hub. –  Unscrew mounting bolts -3- on heat shield from brake disc and remove shield. –  Remove wheel bearing and wheel hub -2-   Note If the wheel bearing/wheel hub can be pulled out manually from the wheel bearing housing, the wheel bearing is okay and can be reused.

–  Unbolt speed sensor -2-. –  Mark position of eccentric bolt -1- at top of wheel bearing housing. –  Detach the illustrated bolt connections in the following sequence: Item 5, Item 3, Item 4, Item 1. –  Take out wheel bearing housing. Installation Installation is carried out in the reverse sequence; note the following:   Note t  Replace bolts and self-locking nuts ⇒ instructions in the exploded view from page → Chapter. t  Bonded rubber bushes can only be turned to a limited extent. The mountings of the suspension links must therefore only be tightened when the suspension is in the unladen position → Chapter. –  If required, install new wheel bearing and wheel hub unit ⇒ See note on page → Anchor.

–  Tighten bolt connections -1-, -3-, -4- and -5-. –  Install the speed sensor -2 - → Item. –  Screw heat shield, brake caliper and brake disc to wheel bearing housing → Brake disc; Rep. gr. 46 .

–  First tighten the bolt -1- with a stipulated tightening torque. Avoid angular retightening (retightening if the vehicle on its wheels) → Item. –  Install coil spring → Chapter. Tightening torques: t  Item 1 - (set eccentric bolt to previously marked position) → Item t  Items. 3 and 4 - → Item t  Item 5 - → Item –  Tighten bolt -1 - → Anchor to specified tightening torque → Item.

–  Drive in new grease cap. –  Mount the wheels and the tighten the wheel bolts → Running gear, axles, steering; Rep. gr. 44   Note t  Always renew damaged (dented) grease caps. t  Damaged (dented) grease caps may allow moisture to enter the bearing. Therefore, always use the tool shown in the illustration. –  Wheel alignment → Chapter Setting of the running gear must be done with an alignment stand recommended by SEAT.