Tooth Contact

WARNING: This page is about a different variant/trim than selected.

Remove transfer cover. Refer to DISASSEMBLY .
Remove ring gear shaft assembly from transfer case. Refer to DISASSEMBLY .
Apply red lead onto the ring gear.

Fig 1: Applying Red Lead Onto Ring Gear
Courtesy of NISSAN NORTH AMERICA, INC.

CAUTION:
Apply red lead to both faces of 3 to 4 gears at 4 locations evenly spaced on the ring gear.
Assemble the ring gear shaft assembly to the transfer case. Refer to ASSEMBLY .
Install transfer cover to check and adjust each part. Refer to ASSEMBLY .
NOTE:
At this timing, O-ring installing to transfer cover is not necessary. Install O-ring after backlash and tooth contact are checked.
Remove the plug from the transfer case.
Rotate the companion flange back and forth several times, and check the drive pinion gear to ring gear tooth contact by viewing from the plug hole.
Tooth Contact Judgment Guide

Fig 2: Tooth Contact Judgment Guide Chart
Courtesy of NISSAN NORTH AMERICA, INC.
Follow the procedure below to adjust pinion height (dimension X) if tooth contact is improper. For selecting adjusting shim, refer to the latest parts information.

Fig 3: Identifying Pinion Height (X)
Courtesy of NISSAN NORTH AMERICA, INC.

CAUTION:
If no adjusting shim with the calculated value is available, select the thicker and closest one.
- Thicken the drive pinion adjusting shim to move the drive pinion closer to the ring gear in case of face contact or heel contact.
  
  Fig 4: Identifying Face Contact
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  CAUTION:
  Only one adjusting shim can be selected.
- Thin the drive pinion adjusting shim to move the drive pinion farther from the ring gear in case of flank contact or toe contact.
  
  Fig 5: Identifying Flank Contact
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  CAUTION:
  Only one adjusting shim can be selected.