Audi Workshop Service and Repair Manuals

Removing and installing wheel bearing housing Special tools and workshop equipment required

t  Ball joint puller -T40010- t  Torque wrench -V.A.G 1331- t  Torque wrench -V.A.G 1332- Removing –  Remove wheel trim; on light-alloy wheels, pull off trim cap (use puller in vehicle tool kit). –  Remove bolt securing drive shaft (loosen only when vehicle is standing on wheels - accident risk) → Anchor. –  Detach ABS speed sensor wiring from bracket on wheel bearing housing.

Vehicles with HP-2 brake caliper –  Unscrew hexagon bolt -2- and detach brake pipe bracket. –  Remove bolts -1- for brake caliper and take off brake caliper. –  Re-attach brake pipe bracket. Screw in and tighten hexagon bolt -2-. –  Secure the brake caliper to the body so that the weight of the brake caliper does not bend or damage the brake line. All vehicles (continued): –  Detach brake caliper and secure to body so that weight of brake caliper does not stretch or damage brake hose or brake pipe.

–  Unscrew bolt -5- for ABS speed sensor. –  Unclip ABS wire from wheel bearing housing. –  Remove brake disc.

–  Remove bolts -arrows- and take off heat shield.

–  Unscrew bolt with washer -3- and bolt -4-.   Note t  Check and adjust wheel alignment after completing repair → Chapter.

t  Do not apply a chisel or similar tool between steering arm -1- and seal -2- on track rod ball joint when pressing out track rod, otherwise the seal can be damaged. t  When pressing track rod out of steering arm, apply pressure only to end of track rod ball joint, or knock out end of joint using a wooden or rubber mallet. –  Pull out or press out track rod downwards. –  Unscrew nut on joint pin of guide link until it is flush with end of thread. Counterhold joint pin with 4 mm Allen key if necessary.

–  Press joint pin of guide link out of tapered seat using ball joint puller -T40010-.   Note t  Take care not to damage drive shaft boot. t  Make sure the two lever arms of the puller are parallel when maximum force is exerted. –  On vehicles with headlight range control, detach coupling rod of vehicle level sender from track control link → Chapter. –  Unscrew nut on joint pin of track control link until it is flush with end of thread. Counterhold joint pin with 4 mm Allen key if necessary.

–  Press joint pin of track control link out of tapered seat using ball joint puller -T40010-.   Note Make sure the two lever arms of the puller are parallel when maximum force is exerted.

–  Remove nut -1-, take out hexagon bolt and pull out both upper links -2- upwards. Do not attempt to enlarge slots in wheel bearing housing using a chisel or similar. –  Swing wheel bearing housing away to the side, and at the same time pull end of drive shaft out of wheel hub. –  Tie up drive shaft to body with wire or similar. –  Remove nut from joint pin of track control link. –  Take off wheel bearing housing. Installing –  Fit wheel bearing housing. –  Slide outer joint of drive shaft into wheel hub and tighten new hexagon bolt hand-tight. –  Insert joint pins of track control link and guide link into wheel bearing housing. –  Fit and tighten new self-locking nuts → Item; counterhold joint pin if necessary with 4 mm Allen key.

–  Fit joint pins of both upper links in wheel bearing housing and press down as far as possible by clamping with pliers -T40067-.

–  Install and tighten new bolt -1- and self-locking nut → Item.   Note

The track rod/ball joint must be inserted into the steering arm -1- by hand. Make sure that no force is applied to seal -2-. –  Insert track rod.

–  Fit and tighten new self-locking nut -4- → Item. –  Tighten hexagon bolt -3- → Item. –  Install ABS speed sensor. → Brake system; Rep. Gr. 45 –  On vehicles with headlight range control, fit coupling rod for vehicle level sender on track control link → Chapter.

–  Fit splash plate and tighten bolts → Item. –  Install brake disc and brake caliper → Brake system; Rep. Gr. 46. –  Fit and secure wheel → Wheels and tyres; Rep. Gr.44. –  Tighten hexagon bolt for drive shaft (only when vehicle is standing on its wheels - accident risk) → Anchor. –  Check and adjust wheel alignment → Chapter. Front wheel alignment must always be checked and adjusted if necessary using VW/Audi approved equipment.