Infinity_QX4_1998-2003

Transmission Removal & Installation

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1998 - 01 Models



2-Wheel Drive
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove the or disconnect the following:
    NOTE
    The transmission flange bolts vary in length. Note their positions for assembly.



    Negative battery cable
     
    Crankshaft Position (CKP) sensor
     
    Exhaust front pipes
     
    Exhaust rear pipes
     
    Transmission dipstick tube
     
    Transmission oil cooler lines
     
    Driveshaft
     
    Shift cable
     
    Transmission control harness connectors
     
    Vehicle Speed (VSS) sensor connector
     
    Starter motor
     
    Torque converter
     
    Transmission mount and crossmember. Support the transmission.
     
    Transmission flange bolts
     
    Transmission
     

  4.  

To install:

  1. Install or connect the following:

    Transmission. Tighten the large bolts to 29 - 36 ft. lbs. (39 - 49 Nm) and the small bolts to 22 - 29 ft. lbs. (29 - 39 Nm).
     
    Transmission mount and crossmember. Tighten the mount and crossmember fasteners to 30 - 38 ft. lbs. (41 - 52 Nm).
     
    Torque converter. Tighten the bolts to 33 - 43 ft. lbs. (44 - 59 Nm).
     
    Starter motor
     
    VSS sensor connector
     
    Transmission control harness connectors
     
    Shift cable
     
    Driveshaft
     
    Transmission oil cooler lines
     
    Transmission dipstick tube
     
    Exhaust rear pipes
     
    Exhaust front pipes
     
    CKP sensor
     
    Negative battery cable
     

  2.  

4-Wheel Drive
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove the or disconnect the following:
    NOTE
    The transmission flange bolts vary in length. Note their positions for assembly.



    Negative battery cable
     
    Crankshaft Position (CKP) sensor
     
    Exhaust front pipes
     
    Exhaust rear pipes
     
    Transmission dipstick tube
     
    Transmission oil cooler lines
     
    Front and rear driveshafts
     
    Transfer case linkage
     
    Shift cable
     
    Transmission control harness connectors
     
    Vehicle Speed (VSS) sensor connector
     
    Starter motor
     
    Torque converter
     
    Transmission mount and crossmember. Support the transmission.
     
    Transmission flange bolts
     
    Transmission
     

  4.  

To install:

  1. Install or connect the following:


  2.  
  3. Install or connect the following:

    Transmission. Tighten the large bolts to 29 - 36 ft. lbs. (39 - 49 Nm) and the small bolts to 22 - 29 ft. lbs. (29 - 39 Nm).
     
    Transmission mount and crossmember. Tighten the mount and crossmember fasteners to 30 - 38 ft. lbs. (41 - 52 Nm).
     
    Torque converter. Tighten the bolts to 33 - 43 ft. lbs. (44 - 59 Nm).
     
    Starter motor
     
    VSS sensor connector
     
    Transmission control harness connectors
     
    Shift cable
     
    Transfer case linkage
     
    Front and rear driveshafts
     
    Transmission oil cooler lines
     
    Transmission dipstick tube
     
    Exhaust rear pipes
     
    Exhaust front pipes
     
    CKP sensor
     
    Negative battery cable
     

  4.  

2002 - 03 Models



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove the or disconnect the following:
    NOTE
    The transmission flange bolts vary in length. Note their positions for assembly.



    Negative battery cable
     
    Crankshaft Position (CKP) sensor
     
    Exhaust front pipes
     
    Exhaust rear pipes
     
    Transmission dipstick tube
     
    Transmission oil cooler lines
     
    Front and rear driveshafts
     
    Transfer case linkage, if equipped with 4-Wheel Drive
     
    Shift cable
     
    Transmission control harness connectors
     
    Vehicle Speed (VSS) sensor connector
     
    Starter motor
     
    Torque converter
     
    Transmission mount and crossmember. Support the transmission.
     
    Transmission flange bolts
     
    Transmission
     

  4.  

To install:

  1. Install the transmission assembly. Refer to the illustration for bolt identification.
    1. Tighten #1 and #3 bolts to 52 - 59 (70 - 80 Nm).
    2.  
    3. Tighten #2 bolts to 22 - 29 (29 - 39 Nm).

      Click image to see an enlarged view

      Fig. Bolt location identification-2002 - 03 models

    4.  

  2.  
  3. Install or connect the following:

    Transmission mount and crossmember. Tighten the mount and crossmember fasteners to 30 - 38 ft. lbs. (41 - 52 Nm).
     
    Torque converter. Tighten the bolts to 33 - 43 ft. lbs. (44 - 59 Nm).
     
    Starter motor
     
    VSS sensor connector
     
    Transmission control harness connectors
     
    Shift cable
     
    Transfer case linkage, if equipped with 4-Wheel Drive
     
    Front and rear driveshafts
     
    Transmission oil cooler lines
     
    Transmission dipstick tube
     
    Exhaust rear pipes
     
    Exhaust front pipes
     
    CKP sensor
     
    Negative battery cable
     

  4.  

 
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