Infinity_FX35_FX45_2003-2005

Overhaul

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Fig. Exploded view of the left-hand halfshaft and CV-joint



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Fig. If the plug has been removed, use a press and tools to drive in a new one



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Fig. Install grease where indicated



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Fig. Install the band so that the gap M matches specification



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Fig. Exploded view of the right-hand halfshaft and CV-joint

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. For the front final drive assembly side, perform the following:
    1. Press the halfshaft in a vice.
      CAUTION
      When retaining the shaft in a vice, always use copper or aluminum plates between the vise and shaft.

    2.  
    3. Remove the boot bands.
    4.  
    5. If the plug needs to be removed, move the boot toward the wheel side, and drive it out with a plastic hammer.
    6.  
    7. Put matching marks on the spider assembly and shaft.
      CAUTION
      Use paint for the matching mark, but don-t damage the spider assembly and halfshaft.

    8.  
    9. Remove the snapring, then remove the spider assembly from the shaft.
    10.  
    11. Remove the boot from the shaft.
    12.  
    13. Remove the old grease on the slide joint assembly with paper towels.
    14.  

  6.  
  7. For the wheel side, perform the following:
    1. Place the halfshaft in a vice.
      CAUTION
      When retaining the halfshaft in a vice, always use copper or aluminum plates between a vise and halfshaft.

    2.  
    3. Remove the boot bands.
    4.  
    5. Remove the boot from the joint sub-assembly.
    6.  
    7. Screw a halfshaft puller or equivalent 1.18 in. (30 mm) or more into the threaded part of the joint sub-assembly. Pull the joint sub-assembly out of the halfshaft.
      CAUTION
      If the joint sub-assembly cannot be removed after five or more unsuccessful attempts, replace the shaft and joint subassembly as a set. Use a sliding hammer on the halfshaft and remove the halfshaft.

    8.  
    9. Remove the boot from the halfshaft.
    10.  
    11. Remove the circular clip from the halfshaft.
    12.  
    13. While rotating the ball cage, remove the old grease from the joint sub-assembly with paper towels.
    14.  

  8.  
  9. Replace the halfshaft if there is any run out, cracking, or other damage.
  10.  
  11. Make sure there is no rough rotation or unusual axial looseness of the joint sub-assembly.
  12.  
  13. Make sure there is no foreign material inside joint sub-assembly.
  14.  
  15. Check joint sub-assembly for compression scar, cracks or fractures.
    CAUTION
    If there are any irregular conditions of joint sub-assembly components, replace the entire joint sub-assembly.

  16.  
  17. Inspect the housing and spider assembly. If the roller or roller surface of the spider assembly has scratches or other wear, replace the housing and the spider assembly.
    NOTE
    The housing and spider assembly are components which are used as a set.

  18.  

To assemble:

  1. To assemble the front final drive assembly side, perform the following:
    1. If the plug has been removed, use a drift to press in a new one.
      NOTE
      Discard the old plug, and replace it with a new one.

    2.  
    3. Wind the serrated part of the shaft with tape. Install the boot band and boot on the shaft. Be careful not to damage the boot.
      NOTE
      Discard the old boot band and boot, and replace them with new ones.

    4.  
    5. Remove the protective tape wound around the serrated part of the shaft.
    6.  
    7. Align the alignment marks, which were made when the spider assembly was removed. Install the spider assembly with the serration chamfer facing shaft.
    8.  
    9. Secure the spider assembly with a snapring.
      NOTE
      Discard the old snapring, and replace it with a new one.

    10.  
    11. Apply multi-purpose grease to the spider assembly and sliding surface.
    12.  
    13. Install the housing onto the spider assembly. Apply multi-purpose grease to the housing.
    14.  
    15. Install the boot securely into the grooves (indicated by * marks shown in the figure).
      CAUTION
      If there is grease on the boot mounting surfaces (indicated by * marks) of the shaft and housing, the boot may come off. Remove all grease from surfaces.

    16.  
    17. Make sure the boot installation length L is 3.74 - 3.82 in. (95 - 97mm). Insert a flat-bladed pry tool or similar tool into the smaller side of the boot. Bleed air from the boot to prevent boot deformation.
      CAUTION
      The boot may break if the boot installation length is less than the standard value. Take care not to touch the tip of the pry tool to the inside surface of the boot.

    18.  
    19. Install the new larger and smaller boot bands securely with a suitable tool.
      NOTE
      Discard the old boot bands, and replace them with new ones.

    20.  
    21. Secure the boot band so that dimension M shown is:

      Large diameter side: 0.118 in. (3.0mm)
       
      Small diameter side: 0.079 in. (2.0mm)
       

    22.  
    23. After installing the housing and shaft, rotate the boot to check whether or not the actual position is correct. If the boot position is not correct, secure the boot with new boot bands again.
    24.  

  2.  
  3. Assemble the wheel side of the halfshaft as follows:
    1. Insert grease (Nissan genuine grease or equivalent) into the joint sub-assembly serration hole until grease begins to ooze from the ball groove and serration hole. After inserting the grease, use a shop cloth to wipe off the old grease that has oozed out.
    2.  
    3. Wind the serrated part of the shaft with tape for protection of the boot, then install the boot band and boot on the shaft. Be careful not to damage the boot.
      NOTE
      Discard the old boot band and boot, and replace them with new ones.

    4.  
    5. Remove the protective tape from the shaft.
    6.  
    7. Attach the circular clip to the shaft. At this time, the circular clip must fit securely into the shaft groove. Attach the nut to the joint sub-assembly. Use a wooden hammer to press-fit it in place.
      NOTE
      Discard the old circular clip, and replace it with a new one.

    8.  
    9. Insert the specified amount of grease (Nissan genuine grease or equivalent) into the boot from the large end of the boot.
      NOTE
      Grease amount: 3.35 - 4.06 oz. (95-115 g) for the left-hand side or 3.99 - 4.34 oz. (113-123 g) for the right-hand side.

    10.  
    11. Install the boot securely into the grooves (indicated by * marks) shown.
      CAUTION
      If there is grease on the boot mounting surfaces (indicated by * marks) of the shaft and housing of the joint sub assembly, the boot may come off. Remove all grease from the surfaces.

    12.  
    13. Make sure the boot installation length L is 5.35 in. (136mm) for the left-hand side or 6.21 - 6.29 in. (157.8 - 159.8mm) for the right-hand side or. Insert a flat-bladed pry tool or similar tool into the smaller side of boot. Bleed air from the boot to prevent boot deformation.
      CAUTION
      The boot may brake if the boot installation length is less than the standard value. Be careful that the pry tool tip does not contact the inside surface of the boot.

    14.  
    15. Install the new larger and smaller boot bands securely with a suitable tool.
      NOTE
      Discard the old boot bands, and replace them with new ones. Secure the boot band so that dimension M shown is:



      Large diameter side: 0.118 in. (3.0mm)
       
      Small diameter side: 0.079 in. (2.0mm)
       

    16.  
    17. After installing the joint sub-assembly and shaft, rotate the boot to check whether or not the actual position is correct. If the boot position is not correct, secure the boot with new boot bands again.
    18.  

  4.  



Click image to see an enlarged view

Fig. Exploded view of the rear halfshaft and CV-joint



Click image to see an enlarged view

Fig. When installing the CV-joint boot make sure installation length L meets specification

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Disassemble the final drive side, as follows:
    1. Press shaft in a vice.
      CAUTION
      When retaining the halfshaft in a vice, always use copper or aluminum plates between a vise and halfshaft.

    2.  
    3. Remove the boot bands.
    4.  
    5. If the plug needs to be removed, move the boot toward the wheel side, and drive it out with a plastic hammer.
    6.  
    7. Remove the stopper ring with a flat-bladed pry tool, and pull out the housing.
    8.  
    9. Remove the snapring, then remove the ball cage/steel ball/inner race assembly from the shaft.
    10.  
    11. Remove the boot from the shaft.
    12.  
    13. Remove the old grease on the housing with paper towels.
    14.  

  6.  
  7. Disassemble the wheel side, as follows:
    1. Place the shaft in a vice.
      CAUTION
      When retaining the halfshaft in a vice, always use copper or aluminum plates between a vise and halfshaft.

    2.  
    3. Remove the boot bands. Then remove the boot from the joint sub-assembly.
    4.  
    5. Thread a halfshaft puller 30 mm (1.18 in) or more into threaded part of joint sub-assembly. Pull joint sub-assembly out of shaft.
      CAUTION
      If the joint sub-assembly cannot be removed after five or more unsuccessful attempts, replace the shaft and joint subassembly as a set. Align the sliding hammer and halfshaft and remove them by pulling directly out.

    6.  
    7. Remove the boot from shaft.
    8.  
    9. Remove the circular clip from the shaft.
    10.  
    11. While rotating the ball cage, remove the old grease on the joint sub-assembly with paper towels.
    12.  

  8.  
  9. Replace the shaft if there is any run out, cracking, or other damage.
  10.  
  11. Inspect the joint sub-assembly. Make sure there is no rough rotation or unusual axial looseness. Make sure there is no foreign material inside the joint. Check the joint sub-assembly for compression scars, cracks, or fractures.
    CAUTION
    If there are any irregular conditions of the joint sub-assembly components, replace the entire joint sub-assembly.

  12.  
  13. Inspect the sliding joint side housing. Make sure there are no compression scars, cracks, fractures or unusual wear on the ball rolling surface. Make sure there is no damage to the shaft screws. Make sure there is no deformation of the boot installation parts.
  14.  
  15. Inspect the ball cage. Make sure there are no compression scars, cracks, fractures of the sliding surface.
  16.  
  17. Inspect the steel balls. Make sure there are no compression scars, cracks, fractures or unusual wear.
  18.  
  19. Inspect the inner race. Check ball sliding surface for compression scars, cracks, or fractures. Make sure there is no damage to the serrated part.
    CAUTION
    If there are any irregular conditions on the components, replace with a new set of housing, ball cage, steel ball and inner race.

  20.  

To assemble:

  1. Assemble the final drive side as follows:
    1. If the plug has been removed, use a drift to press in a new one.
      NOTE
      Discard old plug, and replace with a new one.

    2.  
    3. Wind the serrated part of the shaft with tape to protect the boot. Install the boot band and boot on the shaft. Be careful not to damage the boot.
      NOTE
      Discard the old boot band and boot, and replace it with new ones.

    4.  
    5. Remove the protective tape wound around the serrated part of shaft.
    6.  
    7. Install the ball cage/steel ball/inner race assembly onto the shaft, and secure them tightly with a snapring.
      NOTE
      Discard the old snapring, and replace it with a new one.

    8.  
    9. Insert the proper amount of grease (NISSAN genuine grease or equivalent) into the housing (* point), and install it to shaft.
    10.  

  2.  

Grease amount:



4.5L models: 6.17 - 6.88 oz. (175 - -195g)
 
3.5L models: 4.37 - 4.73 oz. (124 - 134g)
 

  1. Install the stopper ring onto the housing.
  2.  
  3. After installation, pull the shaft to check engagement between the joint sub-assembly and the stopper ring.
  4.  
  5. Install the boot securely into the grooves (indicated by * marks) shown.
    CAUTION
    If there is grease on the boot mounting surfaces (indicated by * marks) of the shaft and housing, the boot may come off. Remove all grease from the surfaces.

  6.  
  7. Make sure the boot installation length L is the length indicated. Insert a flat-bladed pry tool or similar tool into the smaller side of boot. Bleed air from the boot to prevent boot deformation.
  8.  

Boot installation length L:



4.5L models: 5.82 in. (147.9mm)
 
3.5L models: 3.697 in. (93.9mm)
 


CAUTION
The boot may break if the boot installation length is less than the standard value. Take care not to touch the tip of the pry tool to the inside of the boot.

  1. Secure the big and small ends of the boot with the new boot bands as shown.
    NOTE
    Discard the old boot bands, and replace with new ones.

  2.  
  3. After installing the housing and shaft, rotate the boot to check whether or not the actual position is correct. If the boot position is not correct, secure the boot with new boot band again.
  4.  

  1. Assemble the wheel side as follows:
    1. Insert the proper amount of grease (NISSAN genuine grease or equivalent) into the joint sub-assembly serration hole until grease begins to ooze from the ball groove and the serration hole. Afterward, use a shop cloth to wipe off the old grease that has oozed out.
    2.  
    3. Wind the serrated part of the shaft with tape. Install the boot band and boot onto the shaft. Be careful not to damage the boot.
      NOTE
      Discard the old boot band and boot, replace each with new ones.

    4.  
    5. Remove the protective tape wound around the serrated part of the shaft.
      NOTE
      Discard the old circular clip, and replace with a new one.

    6.  
    7. Attach the circular clip to the shaft. At this time, the circular clip must fit securely into the shaft groove. Attach the nut to the joint sub-assembly. Use a wooden hammer to press-fit.
    8.  
    9. Insert the proper amount of grease (NISSAN genuine grease or equivalent) into the housing from the large end of the boot.
    10.  

  2.  

Grease amount:



4.5L models: 4.93 - 5.64 in. (140 - 160g)
 
3.5L models: 3.03 - 3.39 in. (86 - 96g)
 

  1. Install the boot securely into grooves (indicated by * marks) shown.
    CAUTION
    If there is grease on the boot mounting surfaces (indicated by * marks) of the shaft and the housing, the boot may come off. Remove all grease from the surfaces.

  2.  
  3. Make sure the boot installation length L is the length indicated below. Insert a flat-bladed pry tool or similar tool into the smaller side of the boot. Bleed air from the boot to prevent boot deformation.
  4.  

Boot installation length L:



4.5L models: 5.57 in. (141.5mm)
 
3.5L models: 3.82 in. (97mm)
 


CAUTION
The boot may break if the boot installation length is less than the standard value. Be careful that the pry tool tip does not contact the inside surface of the boot.

  1. Secure the big and small ends of the boot with new boot bands as shown.
    NOTE
    Discard the old boot bands, and replace with new ones.

  2.  
  3. After installing the joint sub-assembly and shaft, rotate the boot to check whether or not the actual position is correct. If the boot position is not correct, secure the boot with new boot bands again.
  4.  

 
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