Tooth Contact

Remove rear cover. Refer to "DISASSEMBLY ".
Following the procedure below, install a dummy cover set [SST: KV381086S1 (-)] to gear carrier.
1. Set dummy cover shims [SST: KV38108630 (-)] to the right and left side bearing adjusting shims.
2. Temporarily tighten dummy cover [SST: 38108620 (-)] to gear carrier.
3. Position dummy cover spacers [SST: 38108621 (-)] to dummy cover [SST: 38108620 (-)].
4. Tighten rear cover mounting bolts to the specified torque. Refer to "EXPLODED VIEW ".
5. Tighten dummy cover spacer mounting bolts evenly to the specified torque.
: 5.9 N.m (0.6 kg-m, 52 in-lb)
Apply red lead to drive gear.
CAUTION: Apply red lead to both the faces of 3 to 4 gears at 4 locations evenly spaced on drive gear.

Fig 1: Applying Red Lead To Drive Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Rotate drive gear back and forth several times, check drive pinion gear to drive gear tooth contact.
CAUTION: Check tooth contact on drive side and reverse side.

Fig 2: Checking Drive Pinion Gear To Drive Gear Tooth Contact
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Tooth Contact Judgment Guide
Courtesy of NISSAN MOTOR CO., U.S.A.
If tooth contact is improperly adjusted, follow the procedure below to adjust the pinion height (dimension X).

Fig 4: Adjusting Pinion Height
Courtesy of NISSAN MOTOR CO., U.S.A.
- If the tooth contact is near the face (face contact), or near the heel (heel contact), thicken drive pinion gear adjusting shim to move drive pinion closer to drive gear.
  
  Fig 5: Identifying Face Contact
  Courtesy of NISSAN MOTOR CO., U.S.A.
- If the tooth contact is near the flank (flank contact), or near the toe (toe contact), thin drive pinion gear adjusting shim to move drive pinion farther from drive gear.
Fig 6: Identifying Flank Contact
Courtesy of NISSAN MOTOR CO., U.S.A.