Audi Workshop Service and Repair Manuals

Removing and installing wheel bearing housing - four-wheel drive vehicles Special tools and workshop equipment required

t  Torque wrench -V.A.G 1332-

t  Torque wrench -V.A.G 1410-

Removing –  Before starting work, measure distance -a- from centre of wheel to lower edge of wheel housing with vehicle standing on its wheels. –  Raise vehicle on lifting platform. Slackening bolt securing drive shaft to wheel hub → Chapter. –  Remove wheel.

–  Release and unplug connector -1- from rear speed sensor. –  Release and unplug connector -3- for electromechanical parking brake. –  Remove bolt -2- and detach bracket -6- with pipes/wiring. –  Detach brake caliper and brake disc → Rep. gr.46. –  Secure brake caliper to body so that weight of caliper does not stretch or damage brake hose or brake pipe.

–  Remove bolts -1- and take out splash plate -2-.

–  Remove bolt -2- and detach rear speed sensor-1-. –  Remove coil spring → Chapter.

–  Mark position of bolt -1- in relation to wheel bearing housing -2-. –  Unscrew nut -4- and take off eccentric washer -3-. –  Remove bolt -1-.

–  Remove bolt -4-.

–  Unclip retaining tabs -1- and detach stone deflector -2-.

–  Remove bolt -2- and take off washer -1-.

–  Remove nut -3-. –  Remove bolt -1- and detach spacer -2-.   Note The wheel alignment must be checked if nut -3- is slackened or bolt -1- is removed. –  Pivot wheel bearing housing to the side and pull drive shaft out of wheel bearing housing. –  Take out wheel bearing housing. Remove wheel bearing unit → Chapter. Installing Installation is carried out in the reverse sequence. Note the following points: Tightening torques → Chapter „Exploded view of wheel bearing housing, wheel bearing unit, shock absorber for coil springs - four-wheel drive vehicles“   Note t  Bonded rubber bushes can only be turned to a limited extent. The suspension mountings must therefore only be tightened when the suspension is in the unladen position or reference position. t  Raising suspension to unladen position (vehicles with coil springs) → Chapter –  Fit wheel bearing housing.

–  Fit bolt -1- with spacer -2- and screw on nut -3- loosely.   Caution The bolt connection must not be tightened by the nut -3-. –  Tighten bolt -1-. –  Install coil spring → Chapter. –  Fit brake caliper and brake disc → Rep. gr.46. –  Install rear speed sensor → Rep. gr.45. –  Fit wheel. –  Secure wheel → Wheels and tyres; Rep. gr.44. Tightening bolt securing drive shaft to wheel hub → Chapter. –  Wheel alignment must be checked and adjusted, see chart → Chapter. Front and rear wheel alignment must always be checked and adjusted if necessary using VW/Audi approved equipment.