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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1092 (Transfer Case - Power Transfer Unit (PTU)) >> Removal >> Input Shaft Seal

Input Shaft Seal

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
Special Tool(s)

G00500737
Holding Fixture, Transmission 307-003 (T57L-500-B)
G00500738
Installer, Parking Brake Bearing 206-040 (T88T-2598-F)
G00500739
Remover/Installer, PTU Input Shaft Seal 308-777 (includes 308-777/1, 308-777/2, 308-777/3, 308-777/4 and 308-777/5)
G00500740
Slide Hammer 100-001 (T50T-100-A)
  1. Remove the Power Transfer Unit (PTU). For additional information, refer to Power Transfer Unit (PTU) .
  2. Using the Transmission Holding Fixture, secure the PTU to the bench.
    Fig 1: Transmission Holding Fixture
    G00500728Courtesy of FORD MOTOR CO.
  3. Remove the compression seal and discard.
    Fig 2: Compression Seal
    G00500729Courtesy of FORD MOTOR CO.
  4. CAUTION: Do not press the seals lower than specified. Excessive force will damage the bearing below the seals.
    NOTE: Both seals will need to be pressed lower into the PTU input shaft opening to break the seals outer sealant loose from the PTU.
    NOTE: There is approximately a 5 mm (0.196 in) air gap between both seals and approximately 1 mm (0.039 in) air gap between the inner seal and the bearing race.
    Fig 3: Parking Brake Bearing Installer
    G00500730Courtesy of FORD MOTOR CO.
  5. Using the Parking Brake Bearing Installer, press the outer seal downward until the lower seal contacts the bearing race.
  6. Position the Screw Guide above the PTU input shaft opening.
    Fig 4: Screw Guide
    G00500731Courtesy of FORD MOTOR CO.
  7. Insert the Punch into one of the Screw Guide holes. Press the Punch downward until the shoulder of the Punch touches the Screw Guide.
    Fig 5: Punch In Screw Guide Hole
    G00500732Courtesy of FORD MOTOR CO.
  8. NOTE: Do not overtighten the Screws. Turn the Screws until they are seated into the Screw Guide holes.
  9. Install a Screw into the Screw Guide hole.
  10. Insert the Punch into the opposing Screw Guide hole. Press the Punch downward until the shoulder of the Punch touches the Screw Guide.
    Fig 6: Punch In Opposing Screw Guide Hole
    G00500734Courtesy of FORD MOTOR CO.
  11. Install a Screw into the Screw Guide hole.
    Fig 7: Locating Screw Guide Hole
    G00561919Courtesy of FORD MOTOR CO.
  12. Using the Screw Guide and Slide Hammer, remove the 2 seals and discard.
    Fig 8: Locating Screw Guide And Slide Hammer
    G00561920Courtesy of FORD MOTOR CO.
  13. Using a non-marring tool, remove any excess red sealant material from the PTU input shaft opening.
  14. Drain the PTU.
    • Position the PTU output flange upward and tilt the PTU approximately 30 degrees toward the LH seal bore to allow the fluid to drain from the PTU input shaft opening.