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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1211 (Rear Final Drive) >> Rear Final Drive Assembly >> Disassembly and Assembly >> Installation Of Drive Pinion Assembly

Installation Of Drive Pinion Assembly

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Press-fit the pinion front and rear bearing outer races using Tools.
    1. Tool number A: ST15310000 ( - ) 
      1. B: ST35325000 ( - ) 
      2. C: ST30621000 ( - ) 
    Fig 1: Press-Fitting The Pinion Front And Rear Bearing Outer Races Using Tools "A" And "B"
    G02383499Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Select pinion height adjusting washer. Refer to "DRIVE PINION HEIGHT ADJUSTMENT ".
  3. Install the selected pinion height adjusting washer in the drive pinion. Using a suitable press and Tool, press-fit pinion rear bearing inner race into the drive pinion.
    1. Tool number: ST30022000 ( - ) 
    Fig 2: Press-Fitting Pinion Rear Bearing Inner Race Into The Drive Pinion Using Suitable Press And Tool
    G02383500Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Apply multi-purpose grease to the pinion rear bearing inner race and pinion front bearing inner race.
    Fig 3: Applying Multi-Purpose Grease To Pinion Rear Bearing Inner Race And Pinion Front Bearing Inner Race
    G02383501Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Set the drive pinion assembly in the differential carrier as shown, and install drive pinion using a suitable press and suitable tool. Stop when drive pinion touches the bearing.
    Fig 4: Setting Drive Pinion Assembly In Differential Carrier And Installing Drive Pinion Using Suitable Press And Tool
    G02383502Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install the front oil seal using Tool. Refer to "REMOVAL AND INSTALLATION ".
  7. Install the companion flange, and tighten the pinion nut to a minimum using Tool. Check that the threaded portion of the drive pinion and drive pinion nut are free of oil or grease.
    1. Tool number: KV40104000 ( - ) 
    CAUTION: The drive pinion nut is not reusable. Use a new drive pinion nut for installation.
    Fig 5: Installing The Companion Flange And Tightening The Pinion Nut To A Minimum Using Tool (KV40104000)
    G02383503Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Tighten the drive pinion nut by very small increments until the specified preload is achieved, when checking the preload, turn drive pinion in both directions several times.
    1. Tool number: ST3127S000 (J-25765-A) 
    2. Pinion bearing preload: 1.77 - 2.64 N.m (0.18 - 0.26 kg-m, 16 - 23 in-lb) 
    • If the pinion bearing preload is less than specification, tighten the drive pinion nut.
    • If pinion bearing preload is greater than specification, replace the pinion bearing adjusting spacer.
    Fig 6: Tightening Drive Pinion Nut By Small Increments Until Specified Preload Is Achieved
    G02383504Courtesy of NISSAN MOTOR CO., U.S.A.
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