Wheel Bearing Housing (Steel), Removing and Installing

Wheel bearing housing (steel), removing and installing
Removing
^ Remove hubcap, for light-alloy wheels pull off center cap (use pulling hook in vehicle tools).
^ Unscrew hex bolt for drive axle.
^ Remove wheel.
^ Thread in all 5 wheel bolts again.
^ Pull cable of ABS wheel speed sensor out of bracket on brake caliper.
For brake disc HP - 2 - see procedure





^ Secure brake caliper to body using wire.

Note:
^ Do not allow brake caliper to hang on brake hose.

^ Remove brake disc.





^ Unscrew bolts -1- for backing plate.
^ Pull ABS wheel speed sensor out of wheel bearing housing.
^ Remove nuts -2- and -3-.





^ Remove rubber grommet -1- and disconnect harness connector -2-.
^ Remove cable for ABS wheel speed sensor from brackets (arrows).
^ Guide wire through openings in wheel bearing housing and remove.
Do not damage rubber grommet!





^ Unscrew hex bolt -3- and nut -4-.
^ Pull out be rod end.
^ Unscrew nut from joint bolt.
Use 4 mm socket wrench to hold joint bolt if necessary.





^ Press joint bolts of guide link off conical seating.
Be careful not to damage CV boot in the process!
For vehicles with headlight vertical aim control, refer to Vehicle Level Sensor.

Note:
^ Protect CV boot from damage, e.g.: place a leather cloth in between.
^ For safety reasons, put collar nut back on joint bolt of track control link with about 4 turns.





^ Press joint bolts of track control link off conical seating.





^ Remove nut -1- and hex bolt, and lift out both links -2-.
Slits in wheel bearing housing may not be widened with a chisel or similar tool!
^ Swing away wheel bearing housing toward side, in direction of arrow, while pulling drive axle end out of wheel hub.
^ Unscrew nut from joint bolt of track control link.
^ Remove wheel bearing housing.

Installing
^ Insert wheel bearing housing.
^ Push outer joint of drive axle into wheel hub and hand-tighten new hex bolt.

Note: Remove any adhesive remaining on thread of joint bolt.

^ Insert joint bolt of track control link and guide link into wheel bearing housing.
^ Thread new self-locking nuts and tighten to 100 Nm.
Use 4 mm socket wrench to hold joint bolt if necessary.
^ Insert both joint bolts of top control arm into wheel bearing housing.





^ Tighten new self-locking nuts -1- to 40 Nm.
^ Press upper links down as far as possible when tightening!
^ Insert tie rod.
^ Screw on new self-locking nuts -4- and tighten to 50 Nm.
^ Tighten hex bolts -3- to a maximum of 5 Nm.
^ Install ABS wheel speed sensor
^ Mount linkage for headlight vertical aim control
^ Screw on backing plate, and tighten to 10 Nm.
^ Mount brake disc, screw on brake caliper, and tighten to 120 Nm.
^ Mount wheel and tighten to 120 Nm.
^ Tighten hex bolt for drive axle
Suspension adjustment at front axle must be checked on an alignment stand recommended by VW/Audi, and corrected, if necessary.