Transmission Assembly: Disassembly

CAUTION: Never disassemble parts behind drum support. Refer to "TRANSMISSION: 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 NORTH AMERICA, INC.
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 Mounting Bolts
Courtesy of NISSAN NORTH AMERICA, INC.
Remove O-ring from input clutch assembly.

Fig 3: Identifying O-Ring
Courtesy of NISSAN NORTH AMERICA, INC.
Remove tightening bolts (<==) for oil pump assembly and transmission case.

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

Fig 5: Removing Oil Pump Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
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: Identifying Oil Pump Assembly O-Ring
Courtesy of NISSAN NORTH AMERICA, INC.
Remove bearing race (1) from oil pump assembly.

Fig 7: Identifying Oil Pump Assembly Bearing Races
Courtesy of NISSAN NORTH AMERICA, INC.
Remove seal ring (1) from oil pump assembly.

Fig 8: Identifying Oil Pump Assembly Seal Ring
Courtesy of NISSAN NORTH AMERICA, INC.
Remove under drive sun gear (1) from under drive carrier assembly.

Fig 9: Identifying Under Drive Sun Gear
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing (1) from under drive sun gear.

Fig 10: Removing Needle Bearing From Under Drive Sun Gear
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing (1) from under drive carrier assembly.

Fig 11: Identifying Under Drive Carrier Assembly Needle Bearing
Courtesy of NISSAN NORTH AMERICA, INC.
Remove front brake component part (retaining plates, drive plates, and driven plate) from transmission case by using a wire (A) with its tip bent like a hook.

Fig 12: Removing Front Brake Component Part From Transmission Case By Using Wire
Courtesy of NISSAN NORTH AMERICA, INC.
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: Identifying Transmission Case Snap Ring
Courtesy of NISSAN NORTH AMERICA, INC.
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 NORTH AMERICA, INC.
Remove 1st one-way clutch (1) from front brake hub.

Fig 15: Identifying Front Brake Hub 1st One-Way Clutch
Courtesy of NISSAN NORTH AMERICA, INC.
Remove under drive carrier assembly (with front brake hub) (1) from front carrier assembly.

Fig 16: Identifying Under Drive Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing (1) from front carrier assembly.

Fig 17: Identifying Front Carrier Assembly Needle Bearing
Courtesy of NISSAN NORTH AMERICA, INC.
Remove seal rings (1) from input clutch assembly.

Fig 18: Identifying Input Clutch Assembly Seal Rings
Courtesy of NISSAN NORTH AMERICA, INC.
Remove mid carrier assembly and rear carrier assembly as a unit.

Fig 19: Identifying Mid Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove mid carrier assembly from rear carrier assembly.

Fig 20: Removing Mid Carrier Assembly From Rear Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing (front side) from mid carrier assembly.

Fig 21: Removing Needle Bearing (Front Side) From Mid Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing (rear side) from mid carrier assembly.

Fig 22: Removing Needle Bearing (Rear Side) From Mid Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove bearing race from rear carrier assembly.

Fig 23: Removing Bearing Race From Rear Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing from rear carrier assembly.

Fig 24: Removing Needle Bearing From Rear Carrier Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
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: Identifying Mid Sun And Rear Sun Gear Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
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: Identifying High And Low Reverse Clutch Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove direct clutch assembly from reverse brake.

Fig 27: Removing Reverse Brake Direct Clutch Assembly
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing from drum support.

Fig 28: Identifying Drum Support And Needle Bearing
Courtesy of NISSAN NORTH AMERICA, INC.
Remove snap ring (1) from joint connector (A).

Fig 29: Removing Joint Connector Snap Ring
Courtesy of NISSAN NORTH AMERICA, INC.
Push joint connector (A).
CAUTION: Be careful not to damage connector.

Fig 30: Pushing Joint Connector
Courtesy of NISSAN NORTH AMERICA, INC.
Remove clips (1) and oil pan mounting bolts (<==).

Fig 31: Locating Oil Pan Mounting Bolts
Courtesy of NISSAN NORTH AMERICA, INC.
Remove oil pan (2) and oil pan gasket.

Fig 32: Identifying Oil Pan Magnets
Courtesy of NISSAN NORTH AMERICA, INC.
Remove magnets (1) from oil pan.

Fig 33: Locating Output Speed Sensor Connector Terminal Clips
Courtesy of NISSAN NORTH AMERICA, INC.
Disconnect output speed sensor connector (A).
CAUTION: Be careful not to damage connector.
Disengage terminal clips (<==).

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

Fig 34: Identifying Control Valve And TCM Mounting Bolts And Clip

Courtesy of NISSAN NORTH AMERICA, INC.

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 NORTH AMERICA, INC.
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 NORTH AMERICA, INC.
Disconnect TCM connector (A).
CAUTION: Be careful not to damage connector.

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

Fig 53: Identifying Needle Bearing
Courtesy of NISSAN NORTH AMERICA, INC.
Remove output speed sensor (1) from transmission case.

Fig 54: Locating Output Speed Sensor Mounting Bolt
Courtesy of NISSAN NORTH AMERICA, INC.
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 (Fixing Plate) Using Flat-Bladed Screwdrivers
Courtesy of NISSAN NORTH AMERICA, INC.
Remove reverse brake retaining plate from transmission case.
Remove N-spring from transmission case.

Fig 56: Identifying Drive And Driven Plate, Transmission Case And N-Spring
Courtesy of NISSAN NORTH AMERICA, INC.
Remove reverse brake component part (drive plates, driven plates, and dish plates) from transmission case.

Fig 57: Removing Reverse Brake Component Part From Transmission Case
Courtesy of NISSAN NORTH AMERICA, INC.
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: Identifying Snap Ring
Courtesy of NISSAN NORTH AMERICA, INC.
Remove reverse brake spring retainer and reverse brake return spring from transmission case.

Fig 59: Identifying Reverse Brake Spring Retainer
Courtesy of NISSAN NORTH AMERICA, INC.
Remove seal rings from drum support.

Fig 60: Identifying Drum Support Seal Rings
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing from drum support edge surface.

Fig 61: Identifying Needle Bearing
Courtesy of NISSAN NORTH AMERICA, INC.
Remove reverse brake piston (1) from transmission case with compressed air. Refer to "OIL CHANNEL ".
CAUTION: Care should be taken not to abruptly blow air. It makes pistons incline, as the result, it becomes hard to disassemble the pistons.

Fig 62: Removing Reverse Brake Piston From Transmission Case Using Compressed Air
Courtesy of NISSAN NORTH AMERICA, INC.
Remove D-rings from reverse brake piston.

Fig 63: Identifying Reverse Brake Piston D-Rings
Courtesy of NISSAN NORTH AMERICA, INC.
Remove retaining pin with pair of nippers.
CAUTION: Be careful not to cut retaining pin.

Fig 64: Removing Retaining Pin Using Pair Of Nippers
Courtesy of NISSAN NORTH AMERICA, INC.
Remove manual plate (1) from detent spring (2).
Remove parking rod (3) from manual plate.
Install manual plate to detent spring.

Fig 65: Identifying Manual Plate, Detent Spring And Parking Rod
Courtesy of NISSAN NORTH AMERICA, INC.
Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to knock out retaining pin (1).

Fig 66: Knocking Out Retaining Pin Using Tool
Courtesy of NISSAN NORTH AMERICA, INC.
Remove manual plate from manual shaft.

Fig 67: Removing Manual Plate From Manual Shaft
Courtesy of NISSAN NORTH AMERICA, INC.
Remove manual shaft from transmission case.

Fig 68: Removing Manual Shaft From Transmission Case
Courtesy of NISSAN NORTH AMERICA, INC.
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 NORTH AMERICA, INC.
Remove detent spring (1) from transmission case.

Fig 70: Locating Transmission Case Detent Spring Mounting Bolt
Courtesy of NISSAN NORTH AMERICA, INC.
Remove needle bearing (1) from rear extension (2WD) or adapter case (4WD).

Fig 71: Identifying Needle Bearing
Courtesy of NISSAN NORTH AMERICA, INC.
Remove parking actuator support from rear extension (2WD) or adapter case (4WD).

Fig 72: Removing Parking Actuator Support From Rear Extension (2WD)
Courtesy of NISSAN NORTH AMERICA, INC.
Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD) or adapter case (4WD).

Fig 73: Removing Parking Pawl And Pawl Shaft From Rear Extension (2WD)
Courtesy of NISSAN NORTH AMERICA, INC.
Remove return spring (1) from parking pawl (2).

Fig 74: Identifying Return Spring And Parking Pawl
Courtesy of NISSAN NORTH AMERICA, INC.
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 Or Adapter Case Using Flat-Bladed Screwdriver
Courtesy of NISSAN NORTH AMERICA, INC.

CAUTION: Be careful not to scratch rear extension (2WD) or adapter case (4WD).