Wheel Bearing Housing
Wheel Bearing Housing
Special tools, testers and auxiliary items required
• Ball Joint Puller (T40010)
• Torque Wrench (V.A.G 1331)
• Torque Wrench (V.A.G 1332)
Removing
- Remove wheel trim cap, remove cover cap on light-alloy wheels (removal hook in vehicle tool kit).
- Remove drive axle bolt (loosen only when the vehicle is standing on its wheels risk of accident) => [ Remove drive axle ] Front Suspension.
- Remove ABS speed sensor wiring from wheel bearing housing bracket.
Vehicles with brake caliper HP-2
- Remove hex bolt - 2 - and remove brake line bracket.
- Remove bolts - 1 - for brake caliper and take off brake caliper.
- Reinstall brake line holder. Install and tighten hex bolt - 2 -.
- Secure brake caliper to body so that the weight of the brake caliper does not stress or damage the brake line.
Continuation for all vehicles
- Remove brake caliper and secure to body so weight of caliper does not stress or damage brake hose or brake line.
- Remove ABS speed sensor bolt - 5 -.
- Disengage ABS cable at wheel bearing housing.
- Remove disc brake.
- Remove bolts - arrows - and remove the heat shield.
- Remove combi-bolt - 3 - and bolt - 4 -.
• Measure vehicle after repair. Refer to => [ Wheel Alignment ] Wheel Alignment.
• Do not use a chisel or similar tool between steering arm - 1 - and tie rod ball joint sealing washer - 2 - when removing tie rod, otherwise sealing washer could be damaged.
• Tie rod may only be pressed off steering arm over tie rod ball joint pin ends or driven with a wooden or rubber hammer.
- Press or pull tie rod downward to remove.
- Remove nut from the guide link joint pins enough so it is flush with the joint pin threads. Use 4 mm socket wrench to hold joint pin, if necessary.
- Press linkage stub of guide control arm off conical seating using Ball Joint Puller (T40010).
• Be careful not to damage CV boot in the process!
• Make sure that both puller lever arms are parallel to each other when using greatest force.
- On vehicles with headlamp range control, remove the left front level control system sensor. Refer to => [ Vehicle Level Sensor in Vehicles with Automatic Headlamp Vertical Aim Control ] Front Suspension from the control arm.
- Remove the nut from the control arm just enough so it is flush with the joint pin threads. Use 4 mm socket wrench to hold joint pin, if necessary.
- Press linkage stub of track control arm off conical seating using Ball Joint Puller (T40010).
• Make sure that both puller lever arms are parallel to each other when using greatest force.
- Remove nut - 1 -, remove hex bolt and lift out both control arms - 2 - upward.
The slits in the wheel bearing housing must not be widened using a chisel or similar tool!
- Swing wheel bearing housing in direction of arrow away to side, when doing this remove drive axle pin from wheel hub.
- Secure drive axle to body, e.g. with wire.
- Remove nut from linkage stub of track control arm.
- Take off wheel bearing housing.
Installing
- Install wheel bearing housing.
- Install outer drive axle joint into the hub and tighten with a new hex bolt by hand.
- Insert control arm and guide link joint pins in wheel bearing housing.
- Install new self-locking nuts and tighten counterhold joint pins, e.g. with 4 mm hex socket head wrench.
- Insert both upper control arm joint pins in wheel bearing housing and bend downward as much as possible using Pliers (T40067 ).
- Insert new bolt - 1 - and self-locking nut and tighten.
• Tie rod (tie rod ball joint) must only be inserted in steering arm - 1 - by hand. Sealing washer - 2 - must not be stressed under any circumstances.
- Install tie rod.
- Screw on new self-locking nut - 4 - and tighten.
- Tighten hex bolt - 3 -
- Install ABS speed sensor.
- On vehicles with headlamp range control, install vehicle level sensor link at control arm. Refer to => [ Vehicle Level Sensor in Vehicles with Automatic Headlamp Vertical Aim Control ] Front Suspension.
- Screw on cover plate and tighten.
- Install brake disc and attach the brake caliper.
- Mount wheel and tighten.
- Tighten drive axle hex bolt (only with vehicle resting on wheels risk of accident) => [ Install drive axle ] Front Suspension.
- Perform an axle alignment. Refer to => [ Wheel Alignment ] Wheel Alignment.
Check front axle, alignment must take place on a VW/Audi recommended alignment stand.