Lexus Car ES, IS, LS 1998-06

Removal & Installation

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  1. Remove or disconnect:

    Gear oil
     
    Driveshaft
     
    Companion flange
     
    Oil seal and slinger
     

  2.  

To install:

  1. Install or connect:

    Oil slinger
     
    New oil seal
     

  2.  


NOTE
Oil seal drive-in depth: 0.079 inch (2.0mm).



Multi-Purpose (MP) grease to the oil seal lip
 
Companion flange on the shaft
 
Gear oil on the threads of a new nut. Torque to 80 ft. lbs. (108 Nm).
 

  1. Adjust the drive pinion preload as necessary, stake drive the pinion nut, and install the driveshaft.
  2.  
  3. Fill the differential with hypoid gear oil
  4.  

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

    Driveshaft
     
    Rear wheels
     
    Rear brake calipers
     
    Pinion flange
     
    Pinion seal
     

  4.  


NOTE
The rear brake calipers must be removed so that there is no additional drag when measuring pinion bearing preload.

To install:

  1. Install or connect the following:

    Pinion seal and flange
     
    New pinion flange nut
     

  2.  
  3. Rotate the pinion flange occasionally while tightening the flange nut to make sure the pinion bearings seat correctly. Do NOT exceed 249 ft. lbs. (338 Nm).
  4.  
  5. Take frequent bearing preload torque readings.
  6.  
  7. The pinion bearing preload specifications are as follows:
    1. Used bearings: 4.3-6.9 inch lbs. (0.49-0.78 Nm).
    2.  
    3. New bearings: 8.7-13.9 inch lbs. (0.98-1.57 Nm).
    4.  

  8.  


CAUTION
Never loosen the pinion nut to reduce bearing preload. If it is necessary to reduce bearing preload, install a new collapsible spacer and pinion nut.

  1. Install or connect the following:

    Driveshaft
     
    Brake calipers
     
    Rear wheels
     

  2.  
  3. Fill the differential with gear lubricant and check for leaks.
  4.  

  1. Remove or disconnect:

    Gear oil
     
    Driveshaft
     
    Companion flange
     
    Oil seal and slinger
     

  2.  

To install:

  1. Install or connect:
    NOTE
    Oil seal drive-in depth: 0.079 inch (2.0mm).



    Install the oil slinger.
     
    New oil seal
     



    Multi-Purpose (MP) grease to the oil seal lip
     
    Companion flange on the shaft
     
    Gear oil on the threads of a new nut. Torque to 80 ft. lbs. (108 Nm).
     

  2.  
  3. Adjust the drive pinion preload as necessary, stake drive the pinion nut, and install the driveshaft.
  4.  
  5. Fill the differential with hypoid gear oil
  6.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    The rear brake calipers must be removed so that there is no additional drag when measuring pinion bearing preload.



    Driveshaft
     
    Rear wheels
     
    Rear brake calipers
     
    Pinion flange
     
    Pinion seal
     

  4.  

To install:

  1. Install or connect the following:

    Pinion seal and flange
     
    New pinion flange nut
     

  2.  
  3. Rotate the pinion flange occasionally while tightening the flange nut to make sure the pinion bearings seat correctly. Do not exceed 249 ft. lbs. (338 Nm).
  4.  
  5. Take frequent bearing preload torque readings.
  6.  
  7. The pinion bearing preload specifications are as follows:
    1. Used bearings: 4.3-6.9 inch lbs. (0.49-0.78 Nm).
    2.  
    3. New bearings: 8.7-13.9 inch lbs. (0.98-1.57 Nm).
      CAUTION
      Never loosen the pinion nut to reduce bearing preload. If it is necessary to reduce bearing preload, install a new collapsible spacer and pinion nut.

    4.  

  8.  
  9. Install or connect the following:

    Driveshaft
     
    Brake calipers
     
    Rear wheels
     

  10.  
  11. Fill the differential with gear lubricant and check for leaks.
  12.  

 
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