Oil Pump, 2346 Brake, Front Brake Piston: Disassembly

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

Remove snap ring (1) from oil pump assembly using a flat-bladed screwdriver (A).
CAUTION:
- Be careful not to scratch oil pump cover and 2346 brake retaining plate.
- Be careful not to damage snap ring.
  
  Fig 1: Removing Snap Ring From Oil Pump Assembly Using Flatbladed Screwdriver
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove 2346 brake component part (retaining plate, drive plate, driven plate, and dish plate) (1) from oil pump assembly.

Fig 2: Removing 2346 Brake Component Part From Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal ring (1) from oil pump assembly.

Fig 3: Locating Oil Pump Assembly Seal Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Set the clutch spring compressor (SST: KV31103800) (A) on front brake spring retainer and remove snap ring (fixing front brake spring retainer) (1) from oil pump assembly while compressing return spring.
CAUTION: Be careful not to expand snap ring excessively.

Fig 4: View Of Clutch Spring Compressor And Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front brake spring retainer (1) from oil pump assembly.

Fig 5: View Of Front Brake Spring Retainer And Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Set the clutch spring compressor [SST: KV31102400 (J-34285 and J-34285-87)] (A) on 2346 brake spring retainer and remove snap ring (fixing 2346 brake spring retainer) (1) from oil pump assembly while compressing return spring.

Fig 6: View Of Clutch Spring Compressor And Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Be careful not to expand snap ring excessively.
Remove 2346 brake spring retainer (1) from oil pump assembly.

Fig 7: Removing 2346 Brake Spring Retainer From Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front brake piston (1) from oil pump assembly with compressed air. Refer to "OIL CHANNEL ".

Fig 8: Removing Front Brake Piston From Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Care should be taken not to abruptly blow air. It makes piston incline, as the result, it becomes hard to disassemble the piston.
Remove D-ring (inner) (1) and D-ring (outer) (2) from front brake piston.

Fig 9: View Of Inner And Outer Front Brake Piston D-Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove 2346 brake piston (1) from oil pump assembly with compressed air. Refer to "OIL CHANNEL ".

Fig 10: Removing 2346 Brake Piston From Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Care should be taken not to abruptly blow air. It makes piston incline, as the result, it becomes hard to disassemble the piston.
Remove D-ring (large) (1) and D-ring (small) (2) from 2346 brake piston.

Fig 11: View Of Large And Small D-Rings
Courtesy of NISSAN MOTOR CO., U.S.A.
loosen bolts in numerical order shown in the figure and remove oil pump housing from oil pump cover.

Fig 12: Oil Pump Housing Bolts Loosening Sequence
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil pump housing oil seal using a flat-bladed screwdriver.
CAUTION: Be careful not to scratch oil pump housing.

Fig 13: Removing Oil Pump Housing Oil Seal Using Flat-Bladed Screwdriver
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-ring from oil pump housing.

Fig 14: Removing O-Ring From Oil Pump Housing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-ring (1) from oil pump cover.

Fig 15: Removing O-ring From Oil Pump Cover
Courtesy of NISSAN MOTOR CO., U.S.A.