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Installation Of Drive Pinion Assembly

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Press-fit front and rear bearing outer races with Tools.
    1. Tool number : A Suitable tool 
    2. : B ST30611000 (J25742-1) 
    3. : C ST30613000 (J25742-3) 
    Fig 1: Installing Front & Rear Bearing Outer Races
    G00750128Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Select pinion height adjusting washer. Refer to AVAILABLE PINION HEIGHT ADJUSTING WASHERS .
  3. Install selected pinion height adjusting washer in drive pinion. Using press and Tool, press-fit pinion rear bearing inner race into it.
    1. Tool number : ST30901000 ( - ) 
    Fig 2: Placement Of Adjusting Washer
    G00750129Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Apply multi-purpose grease to pinion rear bearing inner race and pinion front bearing inner race.
    Fig 3: View Of Pinion Rear Bearing Inner Race & Pinion Front Bearing Inner Race
    G00750130Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Set drive pinion assembly (as shown in figure) in differential carrier and install drive pinion, with press and suitable tool.

    Stop when drive pinion touches bearing.

    Fig 4: Installing Drive Pinion
    G00750131Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install front oil seal with Tool. Refer to FRONT OIL SEAL .
    1. Tool number : ST30720000 (J25405) 
  7. Install companion flange, and tighten pinion nut to minimum. Ascertain that threaded portion of drive pinion and drive pinion nut are free from oil or grease.
    1. Tool number : KV40104000 ( - ) 
    CAUTION: The drive pinion nut is not reusable. Never reuse drive pinion nut.
    Fig 5: Installing Companion Flange
    G00750132Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Tighten the drive pinion nut by very small degrees until the specified preload in achieved, when checking the preload, turn drive pinion in both directions several times.
    1. Tool number : ST3127S000 (See J25765-A) 
    1. Pinion bearing preload : 2.65 - 3.23 N.m (0.27 - 0.32 kg-m, 24 - 28 in-lb) 
    Fig 6: Checking Pinion Bearing Preload
    G00750133Courtesy of NISSAN MOTOR CO., U.S.A.
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