Section 1645 (Automatic Transmission): Disassembly: Disassembly

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Do not disassemble parts behind drum support. Refer to "CROSS-SECTIONAL VIEW (2WD MODELS) " or "CROSS-SECTIONAL VIEW (4WD MODELS) ".

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

Fig 1: Identifying Torque Converter
Courtesy of NISSAN MOTOR CO., U.S.A.
Check torque converter one-way clutch using check tool as shown.
1. Insert check tool into the groove of bearing support built into one-way clutch outer race.
2. While holding bearing support with check tool, rotate one- way clutch spline using suitable tool.
3. Check that inner race rotates clockwise only. If not, replace torque converter assembly.
  
  Fig 2: Rotating One-Way Clutch Spline Using Screwdriver
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove converter housing from transmission case.
CAUTION: Be careful not to scratch converter housing.

Fig 3: Removing Converter Housing From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-ring from input clutch assembly.

Fig 4: Identifying O-Ring For Input Clutch Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bolts for oil pump assembly and transmission case.

Fig 5: Identifying Bolts For Oil Pump Assembly And Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Extract oil pump assembly evenly from transmission case using Tool.
Tool number: ST25850000 (J-25721-A)
CAUTION:
- Fully tighten sliding hammer screw.
- Make sure that bearing race is installed to the oil pump assembly edge surface.
  
  Fig 6: Tightening Sliding Hammer Screw
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-ring from oil pump assembly.

Fig 7: Identifying O-Ring For Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bearing race from oil pump assembly.

Fig 8: Identifying Bearing Race For Oil Pump Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from front sun gear assembly.

Fig 9: Identifying Needle Bearing To Front Sun Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front sun gear assembly from front carrier assembly.
NOTE: Remove front sun gear assembly by rotating left/right.

Fig 10: Identifying Front Sun Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal rings from input clutch assembly.

Fig 11: Identifying Seal Rings From Input Clutch Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove front carrier assembly, input clutch assembly and rear internal gear as a unit.
CAUTION: Be careful to remove it with needle bearing.

Fig 12: Identifying Front Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Loosen lock nut and remove band servo anchor end pin from transmission case.

Fig 13: Identifying Band Servo Anchor End Pin And Lock Nut
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove brake band from transmission case.

Fig 14: Removing Brake Band From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
- To prevent brake linings from cracking or peeling, do not stretch the flexible band unnecessarily. When removing the brake band, always secure it with a clip as shown.
  Leave the clip in position after removing the brake band.
- Check brake band facing for damage, cracks, wear or burns.
  
  Fig 15: Checking Brake Band And Clip
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mid carrier assembly and rear carrier assembly as a unit.

Fig 16: Identifying Mid Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove mid carrier assembly from rear carrier assembly.

Fig 17: 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 18: Identifying Needle Bearing (Front Side) & Mid Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing (rear side) from mid carrier assembly.

Fig 19: Identifying Needle Bearing (Rear Side) & Mid Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bearing race from rear carrier assembly.

Fig 20: Identifying Bearing Race From Rear Carrier Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from rear carrier assembly.

Fig 21: Identifying 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 them with bearing races and needle bearing.

Fig 22: Identifying 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 23: Identifying High And Low Reverse Clutch Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove direct clutch assembly from reverse brake.

Fig 24: Identifying Direct Clutch Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from drum support edge surface.

Fig 25: Identifying Needle Bearing From Drum Support
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring from A/T assembly harness connector.

Fig 26: Identifying Snap Ring From A/T Assembly Harness Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Push A/T assembly harness connector.
CAUTION: Be careful not to damage connector.

Fig 27: Pushing A/T Assembly Harness Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil pan and oil pan gasket. Refer to "REMOVAL ".
Disconnect A/T fluid temperature sensor 2 connector.
CAUTION: Be careful not to damage connector.

Fig 28: Locating A/T Fluid Temperature Sensor 2
Courtesy of NISSAN MOTOR CO., U.S.A.
Straighten terminal clip to free terminal cord assembly and A/T fluid temperature sensor 2 harness.

Fig 29: Locating A/T Fluid Temperatrue Sensor 2 And Terminal Clips
Courtesy of NISSAN MOTOR CO., U.S.A.
Disconnect revolution sensor connector.
CAUTION: Be careful not to damage connector.

Fig 30: Identifying Revolution Sensor Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Straighten terminal clips to free revolution sensor harness.

Fig 31: Identifying Revolution Sensor Connector And Terminal Clips
Courtesy of NISSAN MOTOR CO., U.S.A.

Remove bolts A, B and C from control valve with TCM.

Fig 32: Identifying Bolts To Control Valve With TCM

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

BOLT SPECIFICATION

Bolt symbol	Length mm (in)	Number of bolts
A	42 (1.65)	5
B	55 (2.17)	6
C	40 (1.57)	1

Remove control valve with TCM from transmission case.
CAUTION: When removing, be careful with transmission assembly terminal connector and the manual valve notch and manual plate height. Remove it vertically.

Fig 33: Removing Control Valve With TCM From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove A/T fluid temperature sensor 2 with bracket from control valve with TCM.

Fig 34: Identifying A/T Fluid Temperature Sensor 2
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bracket from A/T fluid temperature sensor 2.

Fig 35: Locating A/T Fluid Temperature Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-ring from A/T assembly harness connector.

Fig 36: Locating Harness Connector O Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Disconnect TCM connectors.
CAUTION: Be careful not to damage connectors.

Fig 37: Locating TCM Connectors
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove A/T assembly harness connector from control valve with TCM using suitable tool.

Fig 38: Removing A/T Assembly Harness Connector From Control Valve With TCM
Courtesy of NISSAN MOTOR CO., U.S.A.
Disconnect TCM connector and park/neutral position switch connector.
CAUTION: Be careful not to damage connectors.

Fig 39: Locating TCM And Park Neutral Position Switch Connectors
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear extension assembly (2WD models) or adapter case assembly (4WD models) according to the following procedures.
1. 2WD models
  - Self-sealing bolts (2)
  1. Remove bolts for rear extension assembly and transmission case.
  2. Remove brackets (1).
    
    Fig 40: Identifying Brackets & Self-Sealing Bolts
    Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Tap rear extension assembly using suitable tool.
    
    Fig 41: Tapping Rear Extension Assembly Using Suitable Tool
    Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove rear extension assembly with needle bearing from transmission case.
    
    Fig 42: Identifying Rear Extension Assembly
    Courtesy of NISSAN MOTOR CO., U.S.A.
2. 4WD models
  - Self-sealing bolts (2)
  1. Remove bolts for adapter case assembly and transmission case.
  2. Remove brackets (1).
    
    Fig 43: Identifying Brackets And Self-Sealing Bolts
    Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Tap adapter case assembly using suitable tool.
  4. Remove adapter case assembly with needle bearing from transmission case.
    
    Fig 44: Identifying Adapter Case Assembly
    Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove gasket from transmission case.
    
    Fig 45: Identifying Gasket
    Courtesy of NISSAN MOTOR CO., U.S.A.
Remove bearing race from output shaft.

Fig 46: Identifying Bearing Race And Output Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove output shaft from transmission case by rotating left/right.

Fig 47: Identifying Output Shaft And Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove parking gear from output shaft.

Fig 48: Identifying Parking Gear & Output Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal rings from output shaft.

Fig 49: Identifying Seal Rings From Output Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from transmission case.

Fig 50: Identifying Needle Bearing From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove revolution sensor from transmission case.
CAUTION:
- Do not subject it to impact by dropping or hitting it.
- Be careful not to damage harness with the edge of case.
- Do not allow metal filings or foreign material to get on the sensor front edge magnetic area.
- Do not place in an area affected by magnetism.
  
  Fig 51: Identifying Revolution Sensor
  Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake snap ring using 2 flat-bladed screwdrivers.
NOTE: Press out snap ring from the transmission case oil pan side gap using a flat-bladed screwdriver, and remove it using another screwdriver.
Remove reverse brake retaining plate from transmission case.

Fig 52: Removing Reverse Brake Snap Ring Using Screwdrivers
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove N-spring from transmission case.

Fig 53: Removing N-Spring From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake drive plates, driven plates and dish plate from transmission case.

Fig 54: Removing Reverse Brake Drive Plates, Driven Plates And Dish Plate From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring from transmission case while compressing return spring, using Tool.
Tool number: KV31102400 (J-34285 and J-34285-87)

Fig 55: Identifying Snap Ring In Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove spring retainer and return spring from transmission case.

Fig 56: Identifying Spring Retainer And Return Spring In Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove seal rings from drum support.

Fig 57: Identifying Seal Rings For Drum Support
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from drum support edge surface.

Fig 58: Identifying Needle Bearing For Drum Support
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove reverse brake piston 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 59: Removing Reverse Brake Piston From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove D-rings from reverse brake piston.

Fig 60: Identifying D-Rings For Reverse Brake Piston
Courtesy of NISSAN MOTOR CO., U.S.A.
Knock out retaining pin using suitable tool.

Fig 61: Knocking Out Retaining Pin Using Suitable Tool
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual shaft retaining pin using suitable tool.

Fig 62: Removing Manual Shaft Retaining Pin Using Suitable Tool
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual plate (with parking rod) from manual shaft.

Fig 63: Removing Manual Plate (With Parking Rod) From Manual Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove parking rod from manual plate.

Fig 64: Identifying Parking Rod & Manual Plate
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual shaft from transmission case.

Fig 65: Identifying Manual Shaft From Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove manual shaft oil seals using suitable tool.
CAUTION: Be careful not to scratch transmission case.

Fig 66: Removing Manual Shaft Oil Seals Using Suitable Tool
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove detent spring and spacer from transmission case.

Fig 67: Identifying Detent Spring And Spacer In Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove snap ring from transmission case using suitable tool.

Fig 68: Identifying Snap Ring And Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove servo assembly (with return spring) from transmission case.

Fig 69: Identifying Servo Assembly In Transmission Case
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove return spring from servo assembly.

Fig 70: Identifying Return Spring To Servo Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove O-rings from servo assembly.

Fig 71: Identifying O-Rings To Servo Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove parking actuator support from rear extension (2WD models) or adapter case (4WD models).

Fig 72: Identifying Parking Actuator Support
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD models) or adapter case (4WD models).

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

Fig 74: Identifying Return Spring & Parking Pawl
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove needle bearing from rear extension (2WD models) or adapter case (4WD models).

Fig 75: Identifying Needle Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove rear oil seal from rear extension (2WD models) or adapter case (4WD models) using suitable tool.
CAUTION: Be careful not to scratch rear extension (2WD models) or adapter case (4WD models).

Fig 76: Removing Rear Oil Seal From Rear Extension Or Adapter Case
Courtesy of NISSAN MOTOR CO., U.S.A.