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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Rear Drive Axle/Differential (8.8-Inch Ring Gear)) >> In-Vehicle Repair >> Differential Ring And Pinion >> Installation

Differential Ring And Pinion: Installation

WARNING: This page is about a different car, the 2013 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the Drive Pinion Bearing Cup Installer and the inner and outer drive pinion bearing cups in their respective bores.
    1. After placing the inner and outer drive pinion bearing cups in their bores, place the Drive Pinion Bearing Cup Installer (inner) on the inner drive pinion bearing cup.
    2. Place the Drive Pinion Bearing Cup Installer (outer) on the outer drive pinion bearing cup.
    3. Install the Drive Pinion Bearing Cup Installer.
    Fig 1: Identifying Drive Pinion Bearing Cup Installer With Inner And Outer Drive Pinion Bearing Cups
    G06184857Courtesy of FORD MOTOR CO.
  2. Tighten the Drive Pinion Bearing Cup Installer to seat the drive pinion bearing cups into their bores.
    Fig 2: Identifying Drive Pinion Bearing Cup Installer
    G06166783Courtesy of FORD MOTOR CO.
    3. NOTE: If a feeler gauge can be inserted between a drive pinion bearing cup and the bottom of its bore at any point around the drive pinion bearing cup, the drive pinion bearing cup is not correctly seated.
    Fig 3: Checking Drive Pinion Bearing Cups Are Correctly Seated In Their Bores Using Feeler Gauge
    G06166784Courtesy of FORD MOTOR CO.
  3. Make sure the drive pinion bearing cups are correctly seated in their bores.
    4. NOTE: Install new drive pinion bearings without any additional lubricant since the anti-rust oil provides adequate lubricant without upsetting the drive pinion bearing preload settings.
    Fig 4: Positioning Adapters
    G06166785Courtesy of FORD MOTOR CO.
    Item Part Number Description
    1 205-105 Adapter for 205-S127 (1.612 in OD) (T76P-4020-A3)
    2 205-111 Adapter for 205-S127 (T76P-4020-A11)
    3 4621 Drive pinion bearing (outer)
    4 205-109 Adapter for 205-S127 (T76P-4020-A9)
    5 4630 Drive pinion bearing (inner)
    6 205-129 Adapter for 105-S127 (1.1884 in thick) (T79P-4020-A18)
    7 205-110 Adapter for 205-S127 (1.7 in thick) (T76P-4020-A10)
  4. Assemble and position the Adapters.
    5. NOTE: This step duplicates final drive pinion bearing preload.
  5. Tighten the Adapter.
    • Tighten to 2.2 Nm (20 lb-in) rotational torque.
      Fig 5: Tightening Adapter
      G08335233Courtesy of FORD MOTOR CO.
    6. NOTE: The Adapter must be offset to obtain an accurate reading.
    Fig 6: Rotating Adapter Several Half-Turns
    G06166787Courtesy of FORD MOTOR CO.
  6. Rotate the Adapter several half-turns to make sure of correct seating of the drive pinion bearings and position the Adapter.
  7. Install the Adapter.
    1. Position the Adapter.
    2. Install the 2 differential bearing caps.
    3. Install the 4 differential bearing cap bolts.
      • Tighten to 112 Nm (83 lb-ft).
        Fig 7: Identifying Adapter, Differential Bearing Cap And Bolts
        G06166788Courtesy of FORD MOTOR CO.
    8. NOTE: Drive pinion bearing adjustment shims must be flat and clean.
    NOTE: A slight drag should be felt for correct drive pinion bearing adjustment shim selection. Do not attempt to force the drive pinion bearing adjustment shim between the Adapter and the gauge tube. This will minimize selection of a drive pinion bearing adjustment shim thicker than required, which results in a deep tooth contact in final assembly of integral axle assemblies.
  8. Use a drive pinion bearing adjustment shim as a gauge for drive pinion bearing adjustment shim selection.
    • After the correct drive pinion bearing adjustment shim thickness has been determined, remove all of the special tools.
      Fig 8: Locating Drive Pinion Bearing Adjustment Shim
      G06125474Courtesy of FORD MOTOR CO.
  9. Using the Shaft Bearing Cone Installer and Bearing Oil Seal Plate and a shop press, drive the inner drive pinion bearing and the selected drive pinion bearing adjustment shim until they are firmly seated on the pinion shaft.
    Fig 9: Driving Inner Drive Pinion Bearing And Selected Drive Pinion Bearing Adjustment Shim
    G06166790Courtesy of FORD MOTOR CO.
  10. Install a new drive pinion collapsible spacer on the pinion shaft against the pinion shaft shoulder.
    Fig 10: Identifying Drive Pinion Collapsible Spacer
    G06125150Courtesy of FORD MOTOR CO.
  11. Install the drive pinion assembly into the axle housing.
    Fig 11: Installing Drive Pinion Assembly Into Axle Housing
    G06125222Courtesy of FORD MOTOR CO.
  12. Install the outer drive pinion bearing and the drive pinion shaft oil slinger.
  13. Using the Differential Side Bearing Installer, install the 2 new differential bearings.
    Fig 12: Identifying Differential Bearings On Differential Case
    G06166793Courtesy of FORD MOTOR CO.
  14. Using 2 ring gear bolts as a guide, press the ring gear on the differential assembly.
    Fig 13: Pressing Ring Gear On Differential Assembly
    G06166794Courtesy of FORD MOTOR CO.
  15. Install the 10 new differential ring gear bolts. Tighten in 2 stages.
    • Stage 1: Tighten to 60 Nm (44 lb-ft).
    • Stage 2: Tighten an additional 90 degrees.
      Fig 14: Identifying Differential Ring Gear Bolts
      G06125372Courtesy of FORD MOTOR CO.
  16. Install the drive pinion seal and flange. For additional information, refer to DRIVE PINION FLANGE AND DRIVE PINION SEAL .
  17. Install the differential carrier. For additional information, refer to DIFFERENTIAL CARRIER .
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