Low & Reverse Brake: Disassembly

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Check operation of low and reverse brake.
1. Install seal ring onto oil pump cover and install reverse clutch. Apply compressed air to oil hole.
2. Check to see that retaining plate moves to snap ring.
3. If retaining plate does not contact snap ring,
  - D-ring might be damaged.
  - Oil seal might be damaged.
  - Fluid might be leaking past piston check ball.
    
    Fig 1: Applying Compressed Air To Oil Hole
    Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring, and then remove retaining plate, low and reverse brake drive plates, driven plates, dish plate and U-spring.
NOTE:
- U-spring can be set only at the installation position shown in component figure.
- U-spring is removed when the front driven plate is removed.
  
  Fig 2: Removing Snap Ring
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove low one-way clutch inner race, spring retainer and return spring from transmission case.
Remove seal rings from low one-way clutch inner race.
Remove needle bearing from low one-way clutch inner race.

Fig 3: Removing Seal Rings From Low One-Way Clutch Inner Race
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove low and reverse brake piston using compressed air.
Remove oil seal and D-ring from piston.

Fig 4: Removing Low And Reverse Brake Piston Using Compressed Air
Courtesy of NISSAN MOTOR CO., U.S.A.