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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Transmission Assembly >> Removal and Installation >> Removal

Removal and Installation: Removal

CAUTION: When removing the A/T assembly from engine, first remove the crankshaft position sensor (POS) from the A/T assembly.

Be careful not to damage sensor edge. 

  1. Disconnect the negative battery terminal.
  2. Remove engine under cover with power tool.
  3. Remove exhaust tube with power tool. Refer to "REMOVAL AND INSTALLATION ".
  4. Remove propeller shaft. Refer to "REMOVAL AND INSTALLATION ".
  5. Remove A/T control rod. Refer to "ADJUSTMENT OF A/T POSITION ".
  6. Disconnect A/T solenoid valve harness connectors.
  7. Remove crankshaft position sensor (POS) from A/T assembly.
  8. Remove fluid cooler tube and A/T fluid charging pipe.
  9. Plug up openings such as the fluid charging pipe hole, etc.
  10. Remove air breather hose. Refer to "REMOVAL AND INSTALLATION ".
  11. Remove starter motor. Refer to "REMOVAL AND INSTALLATION".
  12. Remove dust cover from converter housing part.
  13. Turn crankshaft, and remove the four tightening bolts for drive plate and torque converter.
    CAUTION: When turning crankshaft, turn it clockwise as viewed from the front of the engine.
  14. Support A/T assembly with a jack.
    CAUTION: When setting the transmission jack, be careful not to allow it to collide against the drain plug.
  15. Remove engine rear member with power tool.
  16. Remove bolts fixing A/T assembly to engine with power tool.
    CAUTION: Do not perform any work that uses the companion flange section located at the rear part of the transmission as a point of support.
    Fig 1: Precaution While Using Companion Flange Section Located At Rear Part Of Transmission
    G02038116Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Remove A/T assembly from vehicle with a jack.
    • Secure torque converter to prevent it from dropping. 
    • Secure A/T assembly to a jack. 
    Fig 2: Removing A/T Assembly From Vehicle With A Jack
    G02038117Courtesy of NISSAN MOTOR CO., U.S.A.