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Home >> Infiniti >> 2009 >> M35x AWD V6-3.5L (VQ35HR) >> Repair and Diagnosis >> Transmission and Drivetrain >> Drive Axles, Bearings and Joints >> Axle Shaft Assembly >> Service and Repair >> Overhaul

Overhaul





FRONT DRIVE SHAFT


Disassembly and Assembly


COMPONENT
VQ35HR models





VK45DE models






DISASSEMBLY

Front Final Drive Side
1. Place shaft in a vise.

CAUTION:
Protect shaft when securing in a vise using aluminum or copper plates.
2. Remove boot bands, and then remove boot from housing.
3. If plug needs to be removed, move boot to wheel side, and dive it out with a plastic hammer. (Left side)
4. Put matching marks on housing and shaft, and then pull out housing from shaft.

CAUTION:
Use paint or similar substance for matching marks. Do not scratch the surfaces.





5. Put matching marks (A) on the shaft and spider assembly.

CAUTION:
Use paint or similar substance for matching marks. Do not scratch the surfaces.





6. Remove snap ring (1). Remove spider assembly from the shaft.
7. Remove boot from the shaft.
8. Remove dust cover from housing. (Right side)
9. Clean old grease on housing with paper towels.

Wheel Side
1. Remove dust shield from drive shaft.
2. Fix shaft with a vise.

CAUTION:
Protect shaft when fixing with a vise using aluminum or copper plates.
3. Remove boot bands. Then remove boot from joint sub-assembly.





4. Screw the drive shaft puller (A) 30 mm (1.18 in) or more into the thread of joint sub-assembly, and pull joint sub-assembly with a sliding hammer (B) from shaft.

CAUTION:
- If joint sub-assembly cannot be removed after five of more unsuccessful attempts, replace shaft and joint sub assembly as a set.
- Align sliding hammer and drive shaft and remove them by pulling directory.
5. Remove circular clip from shaft.
6. Remove boot from shaft.
7. While rotating ball cage, clean old grease on joint sub-assembly with paper waste.

INSPECTION AFTER DISASSEMBLY

Shaft
Check shaft for runout, cracks, or other damage. Replace if there are.

Joint Sub-Assembly (Wheel Side)
Check the following:
- Joint sub-assembly for rough rotation and excessive axial looseness.
- The inside of the joint sub-assembly for entry of foreign material.
- Joint sub-assembly for compression scars, cracks, and fractures inside of joint sub-assembly.
Replace joint sub-assembly if there are any non-standard conditions of components.

Housing and Spider assembly (Front Final Drive side)
Replace housing and spider assembly if there is scratching or wear of housing roller contact surface or spider roller contact surface.

NOTE:
Housing and spider assembly are used in a set.

ASSEMBLY

Front Final Drive Side
1. When installing each plug, refer to the figure and following.





- If plug (1) has been removed. Install a plug to a housing (2) with a screw. (Left side: VQ35HR)
- If plug (1) has been removed use a drift to press in a new one.





(Left side: VK45DE)





2. Wrap serration on shaft with tape (A) to protect boot from damage. Install new boot and boot bands to shaft.
3. Remove the tape wrapped around the serration on shaft.





4. To install the spider assembly (1), align it with the matching marks (A) that were on the shaft (2) during the removal, and direct the serration mounting surface (B) to the shaft.
5. Secure spider assembly onto shaft with snap ring (1).





6. Apply the appropriate amount of grease (NISSAN genuine grease or equivalent) to spider assembly and sliding surface.
7. Assemble the housing onto spider assembly, and apply the balance of the specified amount grease (NISSAN genuine grease or equivalent).

Grease amount
Right side : Refer to Specifications
Left side : Refer to Specifications

8. Install boot securely into grooves (indicated by *marks) shown in the figure.

CAUTION:
If grease adheres to the boot mounting surface (with *mark) on shaft and housing, boot may come off. Remove all grease from the surface.
9. To prevent from deformation of the boot, adjust the boot installation length to the value shown below (L) by inserting a flat-bladed screwdriver or similar tool into the inside of boot from the large diameter side of boot and discharging inside air.






Boot installation length (L)
Right side : Refer to Specifications
Left side : Refer to Specifications


CAUTION:
- If the boot installation length is outside the standard, it may cause breakage in boot.
- Be careful not to touch the inside of the boot with the tip of a flat-bladed screwdriver.
10. Install new larger and smaller boot bands securely.
a. For one-touch clamp band





i. Secure the large and small ends of boot with new boot bands as shown in the figure.
b. For low profile type band i. Put boot band in the groove on drive shaft boot. Then fit pawls





( ) into holes to temporary installation.

NOTE:
For the large diameter side, fit projection (A) and guide slit (B) at first.





ii. Pinch projection on the band with suitable pliers to tighten band.
iii. Insert tip of band below end of the pawl.
11. Align matching marks painted when housing was removed.
12. Secure housing and shaft, and then make sure that they are in the correct position when rotating boot. Install them with new boot band when the mounting positions become incorrect.
13. Install dust cover to housing. (Right side)

Wheel Side
Assemble in steps 18 to 27 of Testing and Inspection, "ON-Vehicle Inspection and Service".
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