Lexus LX470 2002-06

Pinion Seal

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Removal & Installation



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



    Driveshaft
     
    Front wheels
     
    Front brake calipers
     

  4.  
  5. Use an inch lb. torque wrench and measure the amount of torque required to maintain pinion rotation through several revolutions.
  6.  
  7. Remove or disconnect the following:

    Pinion flange
     
    Oil seal
     
    Oil slinger
     
    Pinion bearing and race
     
    Oil storage ring
     
    Collapsible spacer
     

  8.  

To install:


NOTE
Use a new collapsible spacer and flange nut for assembly.

  1. Install or connect the following:

    Collapsible spacer
     
    Oil storage ring
     
    Pinion bearing and race
     
    Pinion seal
     
    Pinion flange. Tighten the nut to 80 ft. lbs. (108 Nm).
     

  2.  
  3. Rotate the pinion flange occasionally while tightening the flange nut to make sure the pinion bearings seat correctly.
  4.  
  5. Take frequent bearing preload torque readings. Tighten the flange nut to achieve the preload torque readings originally recorded. Do not exceed 249 ft. lbs. (338 Nm) torque when tightening the pinion flange nut.
    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.

  6.  
  7. Install or connect the following:

    Front brake calipers
     
    Front wheels
     
    Driveshaft. Tighten the fasteners to 59 ft. lbs. (80 Nm).
     

  8.  
  9. Fill the differential with gear lubricant and check for leaks.
  10.  

 
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