Removing Front Wheel Bearing

→ Read specific safety information for the press.

→ Check that the press is working perfectly before use, particularly the safety components.

Information 

Do not raise the wheel suspension higher than the normal vehicle position. When raising the suspension, use a suitable intermediate layer made of hard rubber. Do not move the vehicle if drive shafts have not been fitted and tightened.

Information 

The wheel bearing is removed with the wheel bearing housing installed.

1. Remove the corresponding hub cap with puller hook 92291  and release the axle nut (fastening nut) before lifting the vehicle. Operate the brake whilst doing so (2 fitters required).
2. Remove wheel. → Removing and installing wheel
3. Remove the axle nut (lock nut). Perform work up to step  7 in Removing and installing front drive shaft. → Removing Front Drive Shaft  .
4. Remove the two holders (brake hose, combination wire) on wheel bearing housing.
5. Remove the wheel speed sensor. → Removing Speed Sensor
6. Remove the brake disc. → Removing Front Brake Disc
7. Press out the wheel carrier on the top axle strut (top ball joint) with press-out tool T10187. 
   Fig 1: Identifying Press-Out Tool (T10187)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
8. Undo the drive shaft on the transmission. To do this, first fitter must pull out top wheel carrier outwards carefully, so that the second fitter can carefully pull out the drive shaft.
9. Insert the wheel bearing housing again on the top axle strut (top ball joint) and screw on nut.
10. Remove wheel hub (tools) → see Fig 2.
    Fig 2: Identifying Wheel Hub

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
11. Secure the grip pieces (2 half shells) T10205/1 (from attachments T10205  ) with several wheel bolts behind the wheel hub. → see Fig 3
    Fig 3: Identifying Wheel Hub

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
12. Insert the T10205/2 bell (from attachments T10205  ) into the provided groove in the correct position. → see Fig 4
    Fig 4: Inserting T10205/2 Bell Into Groove

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
13. Insert the tubular piston cylinder vas 6178.  Position the T10205/3 pressure piece (from attachments T10205  ) and the 8-2 nut for the threaded rod (from attachments T10205  ). Press out the wheel hub. → see Fig 5
    Fig 5: Pressing Out Wheel Hub

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    It should be ensured that the separator is not pressing on the seat of the bearing inner race on the wheel hub → see Fig 6.

    Fig 6: Pressing On Bearing Inner Race Seat On Wheel Hub

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
14. If the wheel hub is used again, remove the -Innenring des Radlagers-  from the wheel hub. To do this, position the 12 - 115 mm ø separator Nr.111  behind the inner race.
15. Press inner race off the wheel hub. To do this, position the T10205/2 bell (from attachments T10205  ) without the grip piece. Insert the tubular piston cylinder vas 6178.  Position the T10205/3 pressure piece (from attachments T10205  ) and the 8-2 nut for the threaded rod (from attachments T10205  ). → see Fig 7
    Fig 7: Pressing Inner Race Off Wheel Hub

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
16. Remove -Sicherungsring-  (→ see Fig 8).
    Fig 8: Removing Retaining Ring

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17. Remove the wheel bearing (tools) → see Fig 9.
    Fig 9: Identifying Wheel Bearing Tools

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
18. Press out the wheel bearing. To do this, position the T10205/5 and T10205/4 (from attachments T10205  ) in correct position on the wheel bearing housing. Insert the tubular piston cylinder vas 6178.  Position the T10205/6 (from attachments T10205  ) and the 8-2 nut for the threaded rod (from attachments T10205  ). → see Fig 10
    Fig 10: Pressing Out Wheel Bearing

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.