Lexus GS, SC 1998-06

CV-Joints

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Overhaul



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

    End cover. Use nuts and bolts to keep the inboard joint together. Hand tighten only.
     
    4 Boot clamps, using a side cutter or pliers
     
    Inboard joint, place matchmarks on the inboard joint and driveshaft; do not use punch marks.
     
    Snapring, using a snapring expander
     
    Using a press, the inboard joint from the driveshaft
     
    Inboard and outboard boot
     
    Inboard joint cover from the inboard joint
     

  4.  

To install:

  1. Install or connect the following:
    NOTE
    Be careful not to damage the Anti-lock Brake System (ABS) speed sensor rotor.



    Inboard and outboard joint boots
     
    New No. 2 Dust deflector, using a press
     



    Inboard joint
     
    Inner race to the cage so that the indented beveled part of the inner race is on the opposite side to the beveled top of the cage
     
    Outer race so that the indented side of the outer race is facing the same side as the beveled surface of the cage
     

  2.  
  3. Match the narrow projections of the inner race with the wide projections of the outer race.
  4.  
  5. Tilt the cage and inner race to the side and insert the balls one by one.
  6.  
  7. Install or connect the following:

    New boots and new boot clamps, temporarily
     
    4 new boot clamps to the boots
     
    2 boots to the driveshaft
     
    Inboard joint cover and apply RTV to the inboard joint cover
     

  8.  
  9. Remove grease from the surface of the inboard joint facing the cover.
  10.  
  11. Align the bolt holes of the cover with those of the inboard joint, then insert the hexagon bolts.
  12.  
  13. Use a plastic hammer to tap the rim of the inboard joint cover into place
  14.  
  15. To install the inboard joint, align the matchmarks placed before removal.
  16.  
  17. Using a brass bar and hammer, tap the inboard joint onto the driveshaft.
  18.  
  19. Install or connect the following:

    New snapring
     
    Boots to joints, pack with the proper grease. 3.5-3.7 oz. (100-105g)
     
    New boot clamps to both boots
     
    6 hexagon bolts and washers from the end cover side, install the 6 nuts to the boot side.
     

  20.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Using a suitable prytool, remove the end cover.
  4.  
  5. Use nuts and bolts to keep the inboard joint together. Hand tighten only.
  6.  
  7. Remove or disconnect the following:

    4 Boot clamps, using a side cutter or pliers.
     
    Inboard joint, place matchmarks on the inboard joint and driveshaft; do not use punch marks.
     
    Snapring, using a snapring expander
     
    Using a press, the inboard joint from the driveshaft
     
    Inboard joint cover from the inboard joint
     
    Inboard and outboard boot
     
    No. 3 dust deflector
     

  8.  

To install:

  1. Install or connect the following:

    New No. 3 dust deflector, using a press.
     

  2.  
  3. If the joint has come apart, reassemble it in the following order:
    1. Align the matchmarks placed before removal
    2.  
    3. Inner race to the cage so that the indented beveled part of the inner race is on the opposite side to the beveled top of the cage.
    4.  
    5. Outer race so that the indented side of the outer race is facing the same side as the beveled surface of the cage.
    6.  

  4.  
  5. Match the narrow projections of the inner race with the wide projections of the outer race.
  6.  
  7. Tilt the cage and inner race to the side and insert the balls one by one.
  8.  
  9. Install or connect the following:

    New boots and new boot clamps, temporarily
     
    4 new boot clamps to the boots
     
    2 boots to the driveshaft
     
    Inboard joint cover and apply Formed In Place Gasket (FIPG) to the inboard joint cover. Avoid applying an excessive amount to the surface.
     

  10.  
  11. Remove grease from the surface of the inboard joint facing the cover
  12.  
  13. Align the bolt holes of the cover with those of the inboard joint, then insert the hexagon bolts.
  14.  
  15. Use a plastic hammer to tap the rim of the inboard joint cover into place
  16.  
  17. To install the inboard joint, align the matchmarks placed before removal.
  18.  
  19. Using a brass bar and hammer, tap the inboard joint onto the driveshaft.
  20.  
  21. Install or connect the following:

    New snapring
     
    Boots to joints, pack with 3.5-3.7 oz. (100-105g)
     
    Boot clamps onto the boot. Clearance is 0.031 inch (0.8mm)
     
    End cover, and pack with grease. SC 400 uses 1.8-1.9 oz. (50-55g); SC300 uses 1.5-1.7 oz. (42-47g)
     

  22.  
  23. Remove grease from the surface of the inboard joint facing the cover
  24.  
  25. Glue on a new gasket, with the side with adhesive on it facing toward the outer race side of the inboard joint
  26.  
  27. Align the bolt holes of the cove with those of the inboard joint
  28.  
  29. Install or connect the following:

    6 hexagon bolts an washer from the end cover side.
     
    6 nuts to the boot side.
     

  30.  
  31. Check that the claw of the end cover touches the inboard joint
  32.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Using a suitable prytool, remove the end cover.
  4.  
  5. Use nuts and bolts to keep the inboard joint together. Hand tighten only.
  6.  
  7. Remove or disconnect the following:

    4 Boot clamps, using a side cutter or pliers
     
    Inboard joint, place matchmarks on the inboard joint and driveshaft; do not use punch marks.
     
    Snapring, using a snapring expander
     
    Using a press, the inboard joint from the driveshaft
     
    Inboard joint cover from the inboard joint
     
    Inboard and outboard boot
     
    No. 2 dust deflector, using a suitable chisel and hammer
     
    New No. 3 dust deflector, using a press
     

  8.  

To install:

  1. If the joint has come apart, reassemble it in the following order.
    1. Align the matchmarks placed before removal
    2.  
    3. Inner race to the cage so that the indented beveled part of the inner race is on the opposite side to the beveled top of the cage.
    4.  
    5. Outer race so that the indented side of the outer race is facing the same side as the beveled surface of the cage.
    6.  

  2.  
  3. Match the narrow projections of the inner race with the wide projections of the outer race.
  4.  
  5. Tilt the cage and inner race to the side and insert the balls one by one.
  6.  
  7. Install or connect the following:

    New boots and new boot clamps, temporarily
     
    4 new boot clamps to the boots
     
    2 boots to the driveshaft
     
    Inboard joint cover and apply Formed In Place Gasket (FIPG) to the inboard joint cover. Avoid applying an excessive amount to the surface
     

  8.  
  9. Remove grease from the surface of the inboard joint facing the cover
  10.  
  11. Align the bolt holes of the cover with those of the inboard joint, then insert the hexagon bolts.
  12.  
  13. Use a plastic hammer to tap the rim of the inboard joint cover into place
  14.  
  15. To install the inboard joint, align the matchmarks placed before removal.
  16.  
  17. Using a brass bar and hammer, tap the inboard joint onto the driveshaft.
  18.  
  19. Install or connect the following:

    New snapring
     
    Boots to joints, pack with 3.5-3.7 oz. (100-105g) of grease
     
    A new gasket, with the side with adhesive on it facing toward the outer race side of the inboard joint
     
    6 hexagon bolts an washer from the end cover side
     
    6 nuts to the boot side
     

  20.  
  21. Check that the claw of the end cover touches the inboard joint
  22.  

 
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