Transmission Assembly: Disassembly

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

CAUTION: Never disassemble parts behind drum support. Refer to "CROSS-SECTIONAL VIEW ".

Drain ATF through drain plug.
Remove torque converter by holding it firmly and turning while pulling straight out.

Fig 1: Removing Torque Converter
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove tightening bolts for converter housing and transmission case.
Remove converter housing from transmission case.
CAUTION: Be careful not to scratch converter housing.

Fig 2: Locating Converter Housing And Transmission Case Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-ring from input clutch assembly.

Fig 3: View Of O-Ring And Input Clutch Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove tightening bolts for oil pump assembly and transmission case.

Fig 4: Locating Oil Pump Assembly And Transmission Case Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Attach the sliding hammers [SST: ST25850000 (J-25721-A)] (A) to oil pump assembly (1) and extract it evenly from transmission case.

Fig 5: Attaching Sliding Hammers To Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Fully tighten the sliding hammer screws.
- Make sure that bearing race is installed to the oil pump assembly edge surface.
Remove O-ring (1) from oil pump assembly.

Fig 6: Locating Oil Pump Assembly O-Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bearing race (1) from oil pump assembly.

Fig 7: View Of Oil Pump Assembly Bearing Race
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal ring (1) from oil pump assembly.

Fig 8: Locating Oil Pump Assembly Seal Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove under drive sun gear (1) from under drive carrier assembly.

Fig 9: Locating Under Drive Sun Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (1) from under drive sun gear.

Fig 10: Removing Needle Bearing From Under Drive Sun Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (1) from under drive carrier assembly.

Fig 11: Locating Under Drive Carrier Assembly Needle Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front brake retaining plates, front brake drive plates and front brake driven plates from transmission case by using a wire (A) with its tip bent like a hook.

Fig 12: Removing Front Brake Retaining Plates, Drive Plates And Driven Plates From Transmission Case By Using Wire
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring (1) from transmission case using a flat-bladed screwdriver.
CAUTION:
- Be careful not to scratch transmission case and 1st one-way clutch.
- Be careful not to damage snap ring.
  
  Fig 13: Locating Transmission Case Snap Ring
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove input clutch assembly (with 1st one-way clutch, under drive carrier assembly, front brake hub, front carrier assembly, and rear internal gear) (1) from transmission case.

Fig 14: Removing Input Clutch Assembly From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove 1st one-way clutch (1) from front brake hub.

Fig 15: Locating One-Way Clutch
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove under drive carrier assembly (with front brake hub) (1) from front carrier assembly.

Fig 16: Locating Under Drive Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (1) from front carrier assembly.

Fig 17: Locating Front Carrier Assembly Needle Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal rings (1) from input clutch assembly.

Fig 18: Locating Input Clutch Assembly Seal Rings
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mid carrier assembly and rear carrier assembly as a unit.

Fig 19: View Of Mid Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mid carrier assembly from rear carrier assembly.

Fig 20: Removing Mid Carrier Assembly From Rear Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (front side) from mid carrier assembly.

Fig 21: Removing Needle Bearing From Mid Carrier Assembly (Front Side)
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (rear side) from mid carrier assembly.

Fig 22: Removing Needle Bearing From Mid Carrier Assembly (Rear Side)
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bearing race from rear carrier assembly.

Fig 23: Removing Bearing Race From Rear Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from rear carrier assembly.

Fig 24: Removing Needle Bearing From Rear Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mid sun gear assembly, rear sun gear assembly, and high and low reverse clutch hub as a unit.
CAUTION: Be careful to remove then with bearing race and needle bearing.

Fig 25: Locating Mid Sun Gear Assembly And Rear Sun Gear Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove high and low reverse clutch assembly from direct clutch assembly.
CAUTION: Make sure that needle bearing is installed to the high and low reverse clutch assembly edge surface.

Fig 26: View Of High And Low Reverse Clutch Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove direct clutch assembly from reverse brake.

Fig 27: View Of Direct Clutch
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from drum support.

Fig 28: Locating Needle Bearing And Drum Support
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring (1) from joint connector (A).

Fig 29: Removing Snap Ring From Joint Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Push joint connector (A).
CAUTION: Be careful not to damage connector.

Fig 30: Pushing Joint Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil pan mounting bolts.

Fig 31: Locating Oil Pan Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil pan (2) and oil pan gasket.
Remove magnets (1) from oil pan.

Fig 32: View Of Magnets And Oil Pan
Courtesy of NISSAN MOTOR CO., U.S.A.
Disconnect output speed sensor connector (A).
CAUTION: Be careful not to damage connector.
Disengage terminal clips.

Fig 33: Locating Speed Sensor Connector Terminal Clips
Courtesy of NISSAN MOTOR CO., U.S.A.

Remove control valve & TCM mounting bolts and clip (1) from the control valve & TCM.

Fig 34: Locating Control Valve And TCM Mounting Bolts And Clips

Courtesy of NISSAN MOTOR CO., U.S.A.

BOLT SYMBOL REFERENCE CHART

Bolt symbol

Length mm (in)

Number of bolts

43 (1.69)

40 (1.57)

54 (2.13)

50 (1.97)

E⁽¹⁾

50 (1.97)

⁽¹⁾	Reamer bolt

Remove the control valve & TCM (1) from transmission case.
CAUTION: When removing, never with the manual valve notch and manual plate height. Remove it vertically.

Fig 35: Removing Control Valve And TCM From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove joint connector (1) from the control valve & TCM using a flat-bladed screwdriver (A).

Fig 36: Removing Joint Connector From Control Valve And TCM Using Flat-Bladed Screwdriver
Courtesy of NISSAN MOTOR CO., U.S.A.
Disconnect TCM connector (A).
CAUTION: Be careful not to damage connector.

Fig 37: Locating TCM Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear extension assembly (2WD) or adapter case assembly (AWD) according to the following procedures.
1. 2WD
  1. Remove tightening bolts for rear extension assembly and transmission case.
    
    Fig 38: Locating Rear Extension Assembly And Transmission Case Bolts
    Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Tap rear extension assembly using a soft hammer.
    CAUTION: Be careful not to damage adapter case.
    
    Fig 39: Tapping Rear Extension Assembly Using Soft Hammer
    Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove rear extension assembly from transmission case. (With needle bearing.)
    
    Fig 40: Removing Rear Extension Assembly From Transmission Case
    Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove bearing race from output shaft.
    
    Fig 41: Removing Bearing Race From Output Shaft
    Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove output shaft from transmission case by rotating left/right.
    
    Fig 42: Removing Output Shaft From Transmission Case
    Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove parking gear (1) from output shaft (2).
    
    Fig 43: Removing Parking Gear From Output Shaft
    Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove seal rings (1) from output shaft.
    
    Fig 44: View Of Seal Rings And Output Shaft
    Courtesy of NISSAN MOTOR CO., U.S.A.
2. AWD
  1. Remove tightening bolts for adapter case assembly and transmission case.
    
    Fig 45: Locating Adapter Case Assembly And Transmission Case Bolts
    Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Tap adapter case assembly using a soft hammer.
    CAUTION: Be careful not to damage adapter case.
    
    Fig 46: Tapping Adapter Case Assembly Using Soft Hammer
    Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove adapter case assembly from transmission case. (With needle bearing)
    
    Fig 47: Removing Adapter Case Assembly From Transmission Case
    Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove bearing race from output shaft.
    
    Fig 48: Removing Bearing Race From Output Shaft
    Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove output shaft from transmission case by rotating left/right.
    
    Fig 49: Removing Output Shaft From Transmission Case
    Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove gasket from transmission case.
    
    Fig 50: Removing Gasket From Transmission Case
    Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove parking gear (1) from output shaft (2).
    
    Fig 51: Removing Parking Gear From Output Shaft
    Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove seal rings (1) from output shaft.
    
    Fig 52: View Of Seal Rings And Output Shaft
    Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from transmission case.

Fig 53: Locating Needle Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove output speed sensor (1) from transmission case.

Fig 54: Locating Output Speed Sensor Bolt
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Never subject it to impact by dropping or hitting it.
- Never disassemble.
- Never allow metal filings, etc. to get on the sensor's front edge magnetic area.
- Never place in an area affected by magnetism.
Remove reverse brake snap ring (fixing plate) with 2 flat-bladed screwdrivers.
CAUTION:
- Be careful not to scratch transmission case and reverse brake retaining plate.
- Be careful not to damage snap ring.
NOTE: Press out snap ring from the transmission case oil pan side gap with a flat-bladed screwdriver, and remove it using a another screwdriver.

Fig 55: Removing Reverse Brake Snap Ring Using Flat-Bladed Screwdrivers
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake retaining plate from transmission case.
Remove N-spring from transmission case.

Fig 56: Identifying Driven Plate, Drive Plate, N-Spring And Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake drive plates, driven plates, dish plates, and retaining plate transmission case.

Fig 57: Removing Reverse Brake Drive Plates, Driven Plates, Dish Plates, And Retaining Plate Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring (fixing spring retainer) using a flat-bladed screwdriver.
CAUTION:
- Be careful not to scratch transmission case and spring retainer.
- Be careful not to damage snap ring.
  
  Fig 58: View Of Snap Ring
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake spring retainer and reverse brake return spring from transmission case.

Fig 59: Locating Spring Retainer
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal rings from drum support.

Fig 60: Locating Seal Rings
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from drum support edge surface.

Fig 61: Locating Needle Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake piston (1) from transmission case with compressed air. Refer to "OIL CHANNEL ".

Fig 62: Removing Reverse Brake Piston From Transmission Case Using Compressed Air
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Care should be taken not to abruptly blow air. It makes pistons incline, as the result, it becomes hard to disassemble the pistons.
Remove D-rings from reverse brake piston.

Fig 63: Locating Reverse Brake Piston And D-Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual shaft retaining pin with pair of nippers.
CAUTION: Be careful not to cut retaining pin.

Fig 64: Removing Manual Shaft Retaining Pin Using Pair Of Nippers
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual plate (1) from detent spring (2).
Remove parking rod (3) from manual plate.
Install manual plate to detent spring.

Fig 65: Locating Manual Plate, Parking Rod And Detent Spring
Courtesy of NISSAN MOTOR CO., U.S.A.
Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to knock out retaining pin (1).

Fig 66: Identifying Retaining Pin
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual plate from manual shaft.

Fig 67: Removing Manual Plate From Manual Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual shaft from transmission case.

Fig 68: Installing Manual Shaft To Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual shaft oil seals using a flat-bladed screwdriver.
CAUTION: Be careful not to scratch transmission case.

Fig 69: Removing Manual Shaft Oil Seals Using Flat-Bladed Screwdriver
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove detent spring (1) from transmission case.

Fig 70: Locating Detent Spring Bolt
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (1) from rear extension (2WD) or adapter case (AWD).

Fig 71: Locating Needle Bearing And Rear Extension
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove parking actuator support from rear extension (2WD) or adapter case (AWD).

Fig 72: Removing Parking Actuator Support From Rear Extension
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD) or adapter case (AWD).

Fig 73: Removing Parking Pawl And Pawl Shaft From Rear Extension
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove return spring (1) from parking pawl (2).

Fig 74: View Of Return Spring And Parking Pawl
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear oil seal from rear extension (B) or adapter case (C) using a flat-bladed screwdriver (A).

Fig 75: Removing Rear Oil Seal From Rear Extension And Adapter Case Using Flat-Bladed Screwdriver
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Be careful not to scratch adapter case.