Differential Case Internal Parts Contact/Sliding Surface Check

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

Clean the disassembled parts with cleaning oil and dry them with compressed air.
Check each plate, disc, and pressure ring for the following:
- A: Friction and sliding surfaces of friction discs, friction plates, and spring plates. Replace a defective part that has heat discoloration and excessive wear, as it degrades locking performance.
  NOTE: If the inner periphery of the friction face shows traces of harsh contact, it is because of the spring tension of each plate, disc and other part. Do not confuse this with abnormal wear.
- B: Inner periphery and outer periphery protrusions of friction discs, friction plates, and spring plates. Replace a cracked or damaged part.
- C: Friction and sliding surfaces between pressure rings and friction discs. Grind a dented or scratched part with oil stone and then lap and correct with a compound on a surface plate.
  NOTE: If the inner periphery of the friction face shows traces of harsh contact, it is because of the spring tension of each plate, disc and other part. Do not confuse this with abnormal wear.
  
  Fig 1: Identifying Plate, Disc And Pressure Ring
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Check the following parts for contact and siding surfaces (D to M) and correct burrs and dents with oil stone.
- D: Sliding surfaces of side gear and case
- E: Contacting surfaces of differential case and spring plate
- F: Contacting surfaces of pressure ring and differential case inner face
- G: Sliding surfaces of pressure ring hole and side gear
- H: Protrusions on outer periphery of pressure ring
- I: Pressure ring inner surface and differential pinion gear spherical surface
- J: Pressure ring V-groove and pinion shaft V
- K: Sliding surfaces of pinion shaft and differential pinion gear hole
- L: Side gear grooves on outer periphery
- M: Slits in inner periphery of differential
  
  Fig 2: Identifying Differential Case Internal Parts
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.