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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (2 Of 2) >> Unit Removal And Installation >> Transaxle Assembly >> Removal and Installation

Removal and Installation

REMOVAL 

WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure engine coolant escaping from the radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter turn to allow built-up pressure to escape. Carefully remove the cap by turning it all the way.
CAUTION:
  • Perform these steps after the coolant temperature has cooled sufficiently.
  • When replacing the transaxle, perform "ADDITIONAL SERVICE WHEN REPLACING TRANSAXLE ASSEMBLY". Refer to Description .
  • When replacing TCM and transaxle assembly simultaneously, perform "ADDITIONAL SERVICE WHEN REPLACING TCM AND TRANSAXLE ASSEMBLY" before work. Refer to Description .
NOTE: SYMBOL When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
Never Reuse These Parts Part # Prefix For additional information:
Differential side oil seal 38342Q Exploded View 
Wheel hub lock nut 40262 Exploded View
Nut 52040BB Exploded View
  1. Remove the engine and transaxle assembly. Refer to Removal and Installation .
  2. Using paint, put matching marks on the drive plate and torque converter when removing the torque converter to drive plate nuts.

INSTALLATION 

Installation is in the reverse order of removal.

NOTE: SYMBOL Write down the serial number of the new transaxle assembly.
GNSDB127805Courtesy of NISSAN NORTH AMERICA, INC.
CAUTION:
  • When replacing an engine or transaxle you must make sure any dowels are installed correctly. during re-assembly
  • Improper alignment caused by missing dowels may cause vibration, oil leaks or breaking of drive train components.
  • Do not reuse O-rings or copper sealing washers.
  • When turning crankshaft, turn it clockwise as viewed from the front of the engine.
  • When tightening the nuts for the torque converter while securing the crankshaft pulley bolt, be sure to confirm the tightening torque of the crankshaft pulley bolt. Refer to Exploded View .
  • After converter is installed to drive plate, rotate crankshaft several turns to check that CVT rotates freely without binding.
  • When installing the CVT to the engine, align the matching mark on the drive plate with the matching mark on the torque converter.

When installing CVT assembly to the engine assembly, tighten the nut and bolts in the sequence shown in the illustration.

NOTE: SYMBOL Number (1) is a nut and not a bolt.
Fig 1: CVT Assembly-To-Engine Assembly Nut And Bolt Tightening Sequence
GNSDB127652Courtesy of NISSAN NORTH AMERICA, INC.
Nut 1 : 44 N.m (4.5 kg-m, 32.5 ft-lb)
Bolts 2-6 : 50 N.m (5.1 kg-m, 37 ft-lb)
SYMBOL : Front