Lexus GX470 2003-06

Pinion Seal

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Removal & Installation



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove the wheels.
  4.  
  5. Remove the engine under-covers.
  6.  
  7. Remove the front driveshaft.
  8.  
  9. Remove the pinion nut.
  10.  
  11. Remove the companion flange with a puller.
  12.  
  13. Remove the oil seal with a seal puller.
  14.  
  15. Remove the oil slinger.
  16.  
  17. Remove the bearing with a puller.
  18.  
  19. Remove the oil storage ring.
  20.  
  21. Remove the spacer and discard it.
  22.  

To install:

  1. Install a new spacer.
  2.  
  3. Install the oil storage ring using a brass drift.
  4.  
  5. Install the bearing.
  6.  
  7. Install the slinger.
  8.  
  9. Using a seal driver, install the new oil seal. Drive the seal into a depth of 4.35mm +/- 0.45mm.
  10.  
  11. Install the companion flange. Coat the threads of a new flange nut with gear oil. Hold the flange and torque the nut to 273 ft. lbs. (370 Nm).
  12.  
  13. Using an inch-pound torque wrench, check the preload. Preload for a new bearing should be 9-14 inch lbs.; for a used bearing, 4.3-7 inch lbs. If not, a new spacer must be installed.
  14.  
  15. When preload is correct, stake the nut.
  16.  
  17. Install the driveshaft. Torque the bolts to 65 ft. lbs. (88 Nm).
  18.  
  19. Fill the differential.
  20.  
  21. Install the under-covers.
  22.  

 
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