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Lincoln Navigator: Front Drive Axle/Differential / Differential Case Runout Check. General Procedures

Lincoln Navigator 2018-2025 Workshop Manual / Driveline / Front Drive Axle/Differential / Differential Case Runout Check. General Procedures

Special Tool(s) / General Equipment

205-1016
Installer, Differential Bearing
TKIT-2014D-ROW2
TKIT-2014D-FL_ROW
205-153 (T80T-4000-W)
Handle
205-D061 (D83T-4205-C2)
Step Plate
Dial Indicator
Three Leg Puller
Punch
Copper Hammer

Check

  1. Remove the differential.
    Refer to: Differential Carrier (205-03 Front Drive Axle/Differential, Removal and Installation).
  1. Remove and discard the ring gear bolts.
  1. NOTICE: Care should be taken not to damage the differential ring gear bolt hole threads.

    Using the general equipments, remove the ring gear.
    Use the General Equipment: Punch
    Use the General Equipment: Copper Hammer
  1. Install the Differential carrier, differential carrier bearing cups and differential bearing preload shims.
  1. Install the differential bearing caps and bolts. Align the differential bearing caps in there original location.
    Torque: 94 lb.ft (128 Nm)
  1. Rotate the differential carrier to make sure the bearings have seated correctly.

  1. Using the dial indicator, rotate the differential carrier and measure the differential carrier runout.
    • If the runout does not exceed the specification, install a new ring gear and pinion.
      Use the General Equipment: Dial Indicator
    • If runout exceeds the specification, the ring gear is true and the condition is due to differential carrier/differential bearing damage.
    • Inspect the differential bearings and the differential carrier. Always install new differential bearings when installing a new differential carrier, or if a bearing condition is questionable.
  1. Remove the bolts and the differential bearing caps.
  1. Remove the differential carrier, differential bearing cups, and differential bearing preload shims.
  1. NOTE: If necessary.

    Using the special tool and the general equipment, remove and discard the differential bearings.
    Use Special Service Tool: 205-D061 (D83T-4205-C2)  Step Plate.
    Use the General Equipment: Three Leg Puller
  1. Using the special tools, install the new differential bearings.
    Use Special Service Tool: 205-153 (T80T-4000-W)  Handle. , 205-1016  Installer, Differential Bearing.
  1. Install the Differential carrier, differential carrier bearing cups and differential bearing preload shims.
  1. Install the differential bearing caps and bolts. Align the differential bearing caps in there original location.
  1. Rotate the differential carrier to make sure the bearings have seated correctly.
  1. NOTE: If the runout is still excessive, install a new differential case.

    Using the dial indicator, rotate the differential carrier and measure the differential carrier runout.
    Use the General Equipment: Dial Indicator
  1. Remove the bolts and the differential bearing caps.
  1. Remove the differential carrier, differential bearing cups, and differential bearing preload shims.
  1. NOTE: Tighten the ring gear bolts in a cross pattern.

    Install the ring gear and the new ring gear bolts.
    Torque: 94 lb.ft (128 Nm)
  1. Install the differential carrier.
    Refer to: Differential Carrier (205-03 Front Drive Axle/Differential, Removal and Installation).

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    • 4th Gen Lincoln Navigator Service Manual (2018 - 2025)
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    Rear Drive Axle and Differential. Diagnosis and Testing

    Symptom Chart(s)

    Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
    REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

    Symptom Chart - Differential

      Symptom Chart - Differential


    Condition Actions Axle overheating   GO to Pinpoint Test A Broken gear teeth on the ring gear or pinion   GO to Pi

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