Lexus Car ES, IS, LS 1998-06

Wheel Bearings

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove or disconnect the following:

    Rear tire and wheel assembly
     
    If equipped with rear disc brakes, the caliper mounting bolts. Leave the brake line connected and suspend the assembly out of the way.
     
    Brake rotor or drum
     
    4 bolts and pull off the rear axle hub
     
    O-ring
     

  6.  


NOTE
If it is necessary to replace the hub or bearing, replace the components as an assembly.

To install:

  1. Install or connect the following:

    Hub on the carrier and tighten the bolts to 59 ft. lbs. (80 Nm)
     
    Rotor or drum
     
    Caliper, f equipped with rear disc brakes and tighten the bolts to 34 ft. lbs. (64 Nm)
     
    Wheel
     

  2.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. If equipped with air suspension, move the height control switch in the trunk area to theOFF
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Rear wheel(s)
     
    Height control sensor link from the lower control arm
     
    Anti-lock Brake System (ABS) speed sensor and wiring harness
     
    Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire.
     
    Brake rotor
     
    Parking brake shoes and cable
     
    Cotter pin, lock cap and the nut holding the halfshaft to the rear axle
     
    Suspension member brace by removing the 2 bolts
     
    Halfshaft bolts and washers
     
    Halfshaft from the vehicle
     
    Strut rod
     

  6.  
  7. Place matchmarks on the adjusting cam and body for the No. 1 control arm.
  8.  
  9. Remove or disconnect the following:

    Nut and adjusting cam
     
    Nut on the axle carrier side of the No. 1 lower control arm
     
    Separate the control arm from the axle carrier
     
    No. 1 lower control arm
     
    Stabilizer bar link from the No. 2 lower control arm.
     

  10.  
  11. Place matchmarks on the adjusting cam and body.
  12.  
  13. Remove or disconnect the following:

    Nut and adjusting cam from the No. 2 lower control arm
     
    Nut and bolt holding the No. 2 lower control arm to the axle carrier
     
    No. 2 control arm from the vehicle
     
    Nut and bolt on the lower side of the strut assembly
     
    2 upper control arm set nuts and bolts
     
    Axle carrier with the upper control arm
     

  14.  
  15. Secure the axle carrier in a vise.
  16.  
  17. Remove or disconnect the following:

    Nut holding the upper control arm to the axle carrier and remove the control arm
     
    Dust deflector. Use a suitable prytool.
     
    Oil seal
     

  18.  
  19. Remove the 2 bolts and nuts and shift the backing the plate towards the hub side (outside).
  20.  
  21. Remove or disconnect the following:

    Axle hub
     


    Click image to see an enlarged view

    Fig. Removing the axle hub from the axle carrier-LS 430

    Backing plate.
     
    Inner race (outside) from the axle hub
     


    Click image to see an enlarged view

    Fig. Removing the inner race (outside) from the axle hub-LS 430

    Oil seal (outer) from the axle
     


    Click image to see an enlarged view

    Fig. Removing the oil seal (outer)-LS 430

    Snapring from inside the axle housing
     
    Bearing from the axle housing
     

  22.  


    Click image to see an enlarged view

    Fig. Removing the oil seal (inner)-LS 430


To install:

  1. Install or connect the following:

    New bearing to the axle housing
     
    Snapring to the axle carrier, using snapring pliers
     
    New outer oil seal. Coat the oil seal lip with multipurpose grease.
     


    Click image to see an enlarged view

    Fig. Installing the oil seal (outer)-LS 430

    Backing plate to the axle housing. Do NOT install the bolts or nuts at this time.
     
    Inner race (inside) to the axle housing
     
    Axle hub to the axle housing
     
    Backing plate in position. Tighten the bolts and nuts to 43 ft. lbs. (59 Nm).
     
    New oil seal (inner) to the axle housing. Coat the oil seal lip with multipurpose grease.
     


    Click image to see an enlarged view

    Fig. Installing the oil seal (inner)-LS 430

    New dust deflector. Be sure to align the hose for the ABS speed sensor in the dust deflector and axle carrier.
     
    Upper control arm to the axle carrier by installing the nut. Tighten the nut to 80 ft. lbs. (108 Nm).
     
    Axle carrier and upper control arm to the vehicle as an assembly
     
    2 upper control arm set bolts and tighten the bolts to 121 ft. lbs. (164 Nm)
     
    Bolt and nut holding the strut to the axle carrier. Tighten to 101 ft. lbs. (137 Nm).
     
    Bolt and nut connecting the No. 2 lower control arm to the axle carrier. Tighten the bolt to 60 ft. lbs. (81 Nm).
     
    Nut and adjusting cam to hold the No. 2 lower control arm to the body. Align the adjusting cam marks and tighten the nut to 57 ft. lbs. (78 Nm).
     
    Stabilizer bar link to the No. 2 lower control arm and tighten the nut to 48 ft. lbs. (65 Nm)
     
    No. 1 lower control arm to the axle carrier and body. Install the nut to hold the No. 1 lower control arm to the axle carrier. Tighten the nut to 43 ft. lbs. (59 Nm).
     
    Nut and adjusting cam to hold the No. 1 lower control arm to the body. Align the matchmarks and tighten the nut to 57 ft. lbs. (78 Nm).
     
    Strut rod to the axle carrier and body. Install the bolt and nut to hold the strut rod to the body. Tighten to 57 ft. lbs. (78 Nm).
     
    Bolt and nut to hold the strut rod to the axle carrier. Tighten to 136 ft. lbs. (184 Nm)
     
    Parking brake shoes and cable
     
    Outboard joint side of the halfshaft and align the matchmarks on the side gear shaft and the halfshaft. Coat the threads with clean oil and install the hexagon bolts. Tighten bolts to 61 ft. lbs. (83 Nm).
     
    Suspension member brace with the 2 bolts. Tighten the 2 bolts to 37 ft. lbs. (50 Nm).
     
    Nut to hold the halfshaft to the rear axle. Tighten the nut to 213 ft. lbs. (289 Nm).
     
    Lock cap and cotter pin
     
    Brake disc to the axle hub with the matchmarks aligned. Install the 2 screws and tighten the screws to 48 inch lbs. (5 Nm).
     
    Brake caliper to the vehicle and install the 2 bolts. Tighten the bolts to 77 ft. lbs. (104 Nm).
     
    ABS speed sensor and wiring harness
     
    Height control sensor link with the matchmarks aligned. Tighten the nut to 48 inch lbs. (5 Nm).
     
    Rear wheel(s)
     
    Negative battery cable
     

  2.  
  3. Lower the vehicle and turnON
  4.  



Click image to see an enlarged view

Fig. Exploded view rear carrier assembly, hub and bearing-

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Rear wheel(s)
     
    Height control sensor link from the lower control arm
     
    Anti-lock Brake System (ABS) speed sensor and wiring harness
     
    Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire.
     
    Brake rotor
     
    Parking brake shoes and cable
     
    Toe control link
     
    Separate upper control arm assembly
     
    Shock absorber from axle carrier
     
    Suspension arms No 1 and 2 from axle carrier
     
    Rear axle from carrier
     

  4.  


WARNING
Be careful not to damage the boot and ABS sensor



Wheel bearing dust deflector
 
4 bolts and axle & bearing hub assembly
 

To install:

  1. Install or connect the following:

    4 bolts and axle & bearing assembly. Tighten to 48 ft. lbs (65 Nm)
     
    Rear wheel bearing dust deflector
     
    Rear drive axle
     
    Upper control arm. Temporarily tighten
     
    No 2 and No 1 suspension arms. Tighten to 52 ft. lbs. (70 Nm)
     
    Shock absorber. Temporarily tighten
     
    Toe control link. Tighten to 37 ft. lbs. (50 Nm)
     
    Fully tighten upper control arm. Tighten to 52 ft. lbs. (70 Nm)
     
    Height control sensor
     
    Parking brake shoes and cable
     
    Speed sensor
     
    Rear disc brake caliper
     
    Fully tighten shock with new nut to 52 ft. lbs. (70 Nm)
     
    Rear tire
     

  2.  
  3. Inspect and adjust rear wheel alignment
  4.  
  5. Check ABS speed sensor signal
  6.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Rear wheel
     
    Wheel speed sensor
     
    Axle halfshaft
     
    Brake caliper and rotor
     
    Parking brake shoes
     
    Parking brake cable
     
    No. 1 lower suspension arm bolt
     
    No. 2 lower suspension arm bolt
     
    Toe control link
     
    Upper ball joint
     
    Axle carrier from the vehicle
     

  4.  
  5. Press the hub out of the wheel bearing, then remove the backing plate.
  6.  
  7. Remove the snapring, then press the wheel bearing out of the axle carrier.
  8.  

To install:


NOTE
Use a new toe control link nut for assembly.

  1. Installation is the reverse of the removal procedure, while using the following torque values:

    Backing plate bolts: 43 ft. lbs. (59 Nm)
     
    No. 1 lower suspension arm bolt: 55 ft. lbs. (75 Nm)
     
    No. 2 lower suspension arm bolt: 81 ft. lbs. (110 Nm)
     
    Toe control link nut: 36 ft. lbs. (49 Nm)
     
    Upper ball joint nut: 80 ft. lbs. (108 Nm)
     
    Brake caliper support bolts: 77 ft. lbs. (104 Nm)
     
    Rear wheel lug nuts: 76 ft. lbs. (103 Nm)
     

  2.  



Click image to see an enlarged view

Fig. Exploded view rear Axle carrier and hub assembly-ES 330

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Rear tire and wheel assembly
     
    Brake caliper support bracket
     
    Brake rotor
     
    Skid control sensor wire
     
    4 bolts and rear hub and bearing assembly
     
    Skid control sensor
     

  4.  

To install:

  1. Install or connect the following:

    Skid control sensor
     
    Rear axle hub and bearing assembly with 4 bolts. Tighten to 59 ft. lbs. (80 Nm)
     
    Skid control sensor wire
     

  2.  


NOTE
Inspect bearing back lash and hub deviation



Rear disc
 
Rear disc brake caliper assembly. Tighten to 46 ft. lbs (62 Nm)
 
Flexible brake hose
 
Rear tire and wheel
 

  1. inspect and adjust rear wheel alignment
  2.  
  3. Check ABS speed sensor signal
  4.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove or disconnect the following:
    NOTE
    If it is necessary to replace the hub or bearing, replace the components as an assembly.



    Rear tire and wheel assembly
     
    If equipped with rear disc brakes, the caliper mounting bolts. Leave the brake line connected and suspend the assembly out of the way.
     
    Brake rotor or drum
     
    4 bolts and pull off the rear axle hub
     
    O-ring
     

  6.  

To install:

  1. Install or connect the following:

    Hub on the carrier and tighten the bolts to 59 ft. lbs. (80 Nm).
     
    Rotor or drum
     
    If equipped with rear disc brakes, the caliper and tighten the bolts to 34 ft. lbs. (64 Nm).
     
    Wheel
     

  2.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. If equipped with air suspension, move the height control switch in the trunk area to the OFF position.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Rear wheel(s)
     
    Height control sensor link from the lower control arm
     
    Anti-lock Brake System (ABS) speed sensor and wiring harness
     
    Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire.
     
    Brake rotor
     
    Parking brake shoes and cable
     
    Cotter pin, lock cap and the nut holding the halfshaft to the rear axle.
     
    Suspension member brace by removing the 2 bolts.
     
    Halfshaft bolts and washers
     
    Halfshaft from the vehicle
     
    Strut rod
     

  6.  
  7. Place matchmarks on the adjusting cam and body for the No. 1 control arm.
  8.  
  9. Remove or disconnect the following:

    Nut and adjusting cam
     
    Nut on the axle carrier side of the No. 1 lower control arm
     
    Separate the control arm from the axle carrier
     
    No. 1 lower control arm
     
    Stabilizer bar link from the No. 2 lower control arm.
     

  10.  
  11. Place matchmarks on the adjusting cam and body.
  12.  
  13. Remove or disconnect the following:

    Nut and adjusting cam from the No. 2 lower control arm.
     
    Nut and bolt holding the No. 2 lower control arm to the axle carrier.
     
    No. 2 control arm from the vehicle.
     
    Nut and bolt on the lower side of the strut assembly.
     
    2 upper control arm set nuts and bolts.
     
    Axle carrier with the upper control arm.
     

  14.  
  15. Secure the axle carrier in a vise.
  16.  
  17. Remove or disconnect the following:

    Nut holding the upper control arm to the axle carrier and remove the control arm.
     
    Dust deflector. Use a suitable prytool.
     
    Oil seal

    Click image to see an enlarged view

    Fig. Removing the oil seal (inner)-LS400, LS430

     

  18.  
  19. Remove the 2 bolts and nuts and shift the backing the plate towards the hub side (outside).
  20.  
  21. Remove or disconnect the following:

    Axle hub

    Click image to see an enlarged view

    Fig. Removing the axle hub from the axle carrier-LS400, LS430

     
    Backing plate.
     
    Inner race (outside) from the axle hub

    Click image to see an enlarged view

    Fig. Removing the inner race (outside) from the axle hub-LS400, LS430

     
    Oil seal (outer) from the axle

    Click image to see an enlarged view

    Fig. Removing the oil seal (outer)-LS400, LS430

     
    Snapring from inside the axle housing
     
    Bearing from the axle housing
     

  22.  

To install:

  1. Install or connect the following:

    New bearing to the axle housing
     
    Snapring to the axle carrier, using snapring pliers.
     
    New outer oil seal. Coat the oil seal lip with multipurpose grease.

    Click image to see an enlarged view

    Fig. Installing the oil seal (outer)-LS400, LS430

     
    Backing plate to the axle housing. Do not install the bolts or nuts at this time.
     
    Inner race (inside) to the axle housing
     
    Axle hub to the axle housing
     
    Backing plate in position. Tighten the bolts and nuts to 43 ft. lbs. (59 Nm).
     
    New oil seal (inner) to the axle housing. Coat the oil seal lip with multipurpose grease.

    Click image to see an enlarged view

    Fig. Installing the oil seal (inner)-LS400, LS430

     
    New dust deflector. Be sure to align the hose for the ABS speed sensor in the dust deflector and axle carrier.
     
    Upper control arm to the axle carrier by installing the nut. Tighten the nut to 80 ft. lbs. (108 Nm).
     
    Axle carrier and upper control arm to the vehicle as an assembly.
     
    2 upper control arm set bolts and tighten the bolts to 121 ft. lbs. (164 Nm).
     
    Bolt and nut holding the strut to the axle carrier. Tighten to 101 ft. lbs. (137 Nm).
     
    Bolt and nut connecting the No. 2 lower control arm to the axle carrier. Tighten the bolt to 60 ft. lbs. (81 Nm).
     
    Nut and adjusting cam to hold the No. 2 lower control arm to the body. Align the adjusting cam marks and tighten the nut to 57 ft. lbs. (78 Nm).
     
    Stabilizer bar link to the No. 2 lower control arm and tighten the nut to 48 ft. lbs. (65 Nm).
     
    No. 1 lower control arm to the axle carrier and body. Install the nut to hold the No. 1 lower control arm to the axle carrier. Tighten the nut to 43 ft. lbs. (59 Nm).
     
    Nut and adjusting cam to hold the No. 1 lower control arm to the body. Align the matchmarks and tighten the nut to 57 ft. lbs. (78 Nm).
     
    Strut rod to the axle carrier and body. Install the bolt and nut to hold the strut rod to the body. Tighten to 57 ft. lbs. (78 Nm).
     
    Bolt and nut to hold the strut rod to the axle carrier. Tighten to 136 ft. lbs. (184 Nm)
     
    Parking brake shoes and cable.
     
    Outboard joint side of the halfshaft and align the matchmarks on the side gear shaft and the halfshaft. Coat the threads with clean oil and install the hexagon bolts. Tighten bolts to 61 ft. lbs. (83 Nm).
     
    Suspension member brace with the 2 bolts. Tighten the 2 bolts to 37 ft. lbs. (50 Nm).
     
    Nut to hold the halfshaft to the rear axle. Tighten the nut to 213 ft. lbs. (289 Nm).
     
    Lock cap and cotter pin
     
    Brake disc to the axle hub with the matchmarks aligned. Install the 2 screws and tighten the screws to 48 inch lbs. (5 Nm).
     
    Brake caliper to the vehicle and install the 2 bolts. Tighten the bolts to 77 ft. lbs. (104 Nm).
     
    ABS speed sensor and wiring harness
     
    Height control sensor link with the matchmarks aligned. Tighten the nut to 48 inch lbs. (5 Nm).
     
    Rear wheel(s)
     
    Negative battery cable
     

  2.  
  3. Lower the vehicle and turn ON the air suspension switch.
  4.  

 
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