S&T Series Blazer, Bravada, Envoy, Jimmy, Rainier, Trailblazer, Xtreme

CV-Joints Overhaul

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Inner (Tri-Pot) Joint



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

    Front wheel
     
    Halfshaft and place it in a vise
     
    Snapring from the stub shaft and discard it
     
    Small CV-joint boot clamp, cut and discard it
     
    Large CV-joint boot clamp, cut and discard it
     
    CV-joint boot by sliding it away from the tri-pot joint
     

  4.  
  5. Install a Stub Shaft Removal tool J-38868-A to the stub shaft snapring groove.
  6.  
  7. Using a slide hammer puller, press the stub shaft from the tri-pot housing.
  8.  
  9. Remove or disconnect the following:

    Tri-pot housing from the tri-pot spider
     
    Inboard spacer ring slide it rearward on the shaft using Snapring Pliers tool J-8059
     
    Outboard retaining ring using Snapring Pliers tool J-8059 and discard it
     
    Tri-pot joint spider assembly
     
    Inboard spacer ring and discard it
     
    CV-joint boot
     
    Trilobal tri-pot bushing from the housing
     

  10.  
  11. Thoroughly clean and inspect all parts.
  12.  

To install:

  1. Install or connect the following:

    New snapring onto the stub shaft
     
    Small boot clamp
     
    CV-joint boot
     

  2.  
  3. Using the Crimp tool J-35910, a torque wrench and a breaker bar, crimp the small CV-joint boot clamp to 100 ft. lbs. (136 Nm).
  4.  
  5. Install or connect the following:
    NOTE
    Make sure the boot lies flat against the trilobal bushing.



    Inboard spacer ring slide it rearward on the shaft using Snapring Pliers tool J-8059, past the 2nd groove
     
    Tri-pot joint spider assembly onto the shaft until it passes the 2nd groove
     
    Outboard retaining ring into the axle shaft groove using Snapring Pliers tool J-8059
     
    Tri-pot joint spider assembly, slide it against the outboard retaining ring
     
    Inboard spacer ring, seat it in the groove
     
    1 / 2 kit grease into the boot
     
    1 / 2 kit grease into the tri-pot housing
     
    Trilobal tip-pot bushing flush with the tri-pot housing face
     
    New large seal clamp onto the CV-joint boot
     
    Tri-pot housing, slide it over the tri-pot joint spider assembly
     
    CV-joint boot/clamp, slide it into place, over the trilobal tri-pot bushing with the seal lip in the groove
     

  6.  
  7. Position the CV-joint boot so it measures 4.9 in. (125mm).
  8.  
  9. Using the Crimp tool J-35566, latch the large CV-joint boot clamp.
  10.  
  11. Install the halfshaft and the front wheel.
  12.  

Outer CV-Joint



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

    Front wheel
     
    Halfshaft and position it in a vise
     
    Large CV-joint boot clamp and discard it
     
    Small CV-joint boot clamp and discard it
     
    CV-joint boot and slide it back on the shaft
     
    Outer race from the halfshaft, by spreading the outer race-to-halfshaft retaining ring, using Snapring Pliers J-8059
     
    Retaining ring from the halfshaft and discard it
     
    CV-joint boot from the halfshaft and discard it, if damaged
     

  4.  
  5. Disassemble the chrome alloy balls from the CV-joint cage as follows:
    1. Position a brass drift against the CV-joint cage and tap it with a hammer to tilt the cage.
    2.  
    3. Remove the 1st chrome alloy ball from the cage.
    4.  
    5. Tilt the cage in the opposite direction.
    6.  
    7. Remove the opposite chrome alloy ball.
    8.  
    9. Repeat the procedure until all 6 balls are removed.
    10.  

  6.  
  7. Disassemble the CV-joint cage and inner race as follows:
    1. Pivot the cage and race 90 degrees to the center line of the outer race.
    2.  
    3. Align the cage windows with outer race lands.
    4.  
    5. Remove the cage from the outer race.
    6.  
    7. Rotate the inner race upward and remove it from the cage.
    8.  

  8.  
  9. Thoroughly clean and inspect all parts.
  10.  

To install:

  1. Lubricate the parts with a light coat of grease.
  2.  
  3. Assemble the CV-joint cage and inner race, as follows:
    1. Rotate the inner race 90 degrees to the cage centerline.
    2.  
    3. Align the cage windows with inner race lands.
    4.  
    5. Insert the inner race into the cage by rotating the inner race downward.
    6.  
    7. Insert the cage/inner race into the outer race.
    8.  

  4.  
  5. Assemble the chrome alloy balls into the CV-joint cage, as follows:
    1. Position a brass drift against the CV-joint cage and tap it with a hammer to tilt the cage.
    2.  
    3. Insert the 1st chrome alloy ball into the cage.
    4.  
    5. Tilt the cage in the opposite direction.
    6.  
    7. Insert the opposite chrome alloy ball.
    8.  
    9. Repeat the procedure until all 6 balls are inserted.
    10.  

  6.  
  7. Install 1 / 2 kit grease into the CV-joint.
  8.  
  9. Install or connect the following:

    Small ring clamp on the CV boot
     
    New retaining ring on the halfshaft
     
    Large ring clamp on the CV boot
     
    Outer race assembly onto the halfshaft until the ring engages the halfshaft groove
     

  10.  
  11. Slide the small end of the CV-joint boot/clamp into place, with the seal lip in the halfshaft groove
    NOTE
    Make sure the boot lies flat against the halfshaft.

  12.  
  13. Using the Crimp tool J-35910, a torque wrench and a breaker bar, crimp the small CV-joint boot clamp to 100 ft. lbs. (136 Nm).
  14.  
  15. Check the clamp gap dimension; if it is not 0.085 in. (2.15mm), continue tightening the clamp until it is.
  16.  
  17. Install 1 / 2 kit grease into the CV-joint boot.
  18.  
  19. Measure approximately 0.687 in. (17.5mm) up from the bottom edge of the outer CV-joint assembly.
  20.  
  21. Slide the large end of the CV boot/clamp into place, with the seal lip in place over the outer race.
    NOTE
    Make sure the boot lies flat against the outer race.

  22.  
  23. Using the Crimp tool J-35910, a torque wrench and a breaker bar, crimp the large CV-joint boot clamp to 130 ft. lbs. (176 Nm).
  24.  
  25. Check the clamp gap dimension; if it is not 0.102 in. (2.60mm), continue tightening the clamp until it is.
  26.  
  27. Install the halfshaft and the front wheel.

    Click image to see an enlarged view

    Fig. Exploded view of the CV-Joint Assembly

  28.  

 
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