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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1985 (Transfer Case - Power Transfer Unit (PTU)) >> In-Vehicle Repair >> Output Shaft Seal >> Removal

Output Shaft Seal: Removal

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING .
  2. Remove the exhaust flexible pipe. For additional information, refer to EXHAUST SYSTEM .
  3. NOTE: Index-mark both the driveshaft flanges for installation.
  4. Remove the 4 driveshaft-to-Power Transfer Unit (PTU) output flange bolts. Disconnect the driveshaft from the PTU  and position it aside.
    • Using mechanic's wire, support the driveshaft.
  5. NOTE: Rotational torque of the PTU  rear output shaft flange must be measured and recorded using a Nm (lb-in) torque wrench for correct pinion bearing preload when reassembled. This will be the torque-to-turn measurement.
    Fig 1: Measuring Rotational Torque Of PTU Output Shaft
    G06064385Courtesy of FORD MOTOR CO.
  6. Using a suitable torque wrench, measure and record the rotational torque of the PTU  output shaft.
  7. Using the Drive Pinion Flange Holding Fixture, hold the output pinion flange. Remove and discard the pinion nut.
    Fig 2: Identifying Drive Pinion Flange Holding Fixture
    G06064386Courtesy of FORD MOTOR CO.
  8. NOTE: Index-mark the output pinion flange to the pinion shaft.
    Fig 3: Identifying Output Flange Remover
    G06064387Courtesy of FORD MOTOR CO.
  9. Using the Output Flange Remover, remove the output pinion flange.
  10. Remove and discard the output shaft seal deflector.
  11. Remove and discard the output shaft seal.
  12. Remove and discard the collapsible spacer.