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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1210 (Front Final Drive) >> Front Final Drive Assembly >> Adjustment of Drive Gear and Drive Pinion Assembly >> Installation Of Differential Case Assembly

Installation Of Differential Case 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. Install side bearing adjust nut into gear carrier.
  2. Install differential case assembly with side bearing outer races into gear carrier.
    Fig 1: Installing Differential Case Assembly With Side Bearing Outer Races Into Gear Carrier
    G02383435Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Align mark on bearing cap with that on gear carrier and install bearing cap on gear carrier.
    • Do not tighten at this point. This allows further tightening of side bearing adjusters.
    Fig 2: Identifying Side Bearing Adjusters
    G02383436Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Tighten each side bearing adjust nuts alternately turning drive gear.
    Fig 3: Tightening Each Side Bearing Adjust Nuts Alternately Turning Drive Gear
    G02383437Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Measure backlash of drive gear and drive pinion using a dial gauge.
    1. Drive gear to drive pinion back lash: 0.13 - 0.18mm (0.0051 - 0.0071 in) 
    Fig 4: Identifying Dial Gauge
    G02383438Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Use each adjust nut to adjust backlash.
  7. In case of lots of backlash, loosen adjust nut A and tighten adjust nut B. In case of less backlash, loosen adjust nut B and tighten adjust nut A.
    Fig 5: Identifying Adjusting Nuts "A" And "B"
    G02383439Courtesy of NISSAN MOTOR CO., U.S.A.
  8. After adjusting backlash, fix adjuster with screws and tighten cap bolt to the specified torque. Refer to "COMPONENTS "
    Fig 6: Fixing Adjuster With Screws And Tightening Cap Bolt To Specified Torque
    G02383440Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Check total preload with tool.
    1. Tool number: ST3127S000 (J-25765-A) 
    2. Total preload (With oil seal): 2.98 - 4.76 N.m (0.31 - 0.48 Kg-m, 27 - 42 in-lb) 
    Fig 7: Checking Total Preload With Tool (ST3127S000)
    G02383441Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Check tooth contact. Refer to "TOOTH CONTACT ".
  11. Install rear cover. Apply liquid sealant to rear cover side and install gear carrier.
  12. Apply multi-purpose grease to cavity at sealing lips of oil seal. Install side oil seal.
    Fig 8: Applying Liquid Sealant To Rear Cover Side
    G02383442Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Install O-ring and extension tube.
  14. Install sides haft and side flange.
    Fig 9: Installing O-Ring And Extension Tube
    G02383443Courtesy of NISSAN MOTOR CO., U.S.A.
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