Input Shaft Seal

2007 Ford Escape Base, 2.3 Z, FWD, AutomaticSECTION Input Shaft Seal
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL

G00561911Courtesy of FORD MOTOR CO.
Installer, Driven Gear Oil Seal
308-427
MATERIAL SPECIFICATION

Item Specification
Silicone Gasket and Sealant TA-30 WSE-M4G323-A4
Fig 1: Exploded View Of Input Shaft Seal With Torque Specification
G00561912Courtesy of FORD MOTOR CO.
INPUT SHAFT SEAL COMPONENTS

Item  Part Number  Description 
1 7H469 Input shaft seal
2 - Helical drive gear (part of 7251)
3 - Helical idler gear (part of 7251)
4 - Helical driven gear (part of 7251)
5 - Power Transfer Unit (PTU) cover (part of 7251)
6 7251 PTU
7 W500425 PTU cover bolt (12 required)
8 7034 7034 Vent tube
9 W707702 Vent tube bolt
10 7H429 Intermediate shaft seal
  1. Using the Driven Gear Oil Seal Installer, install the input shaft seal.
    Fig 2: Installing Inner Input Seal Using Special Tool
    G04621181Courtesy of FORD MOTOR CO.
  2. NOTE: Make sure not to roll the inner input seal sealing lip when installing the drive gear.
  3. Install the helical gears
    1. Install the drive gear. Use a slight rotation to prevent damaging the inner input seal.
    2. Install the idler gear.
    3. Install the driven gear.
      Fig 3: Identifying Drive, Idler And Driven Gear
      G04621182Courtesy of FORD MOTOR CO.
  4. NOTE: The Power Transfer Unit (PTU) cover and case sealing surfaces must be free of oil before applying new sealant.
  5. Apply a 3 mm (0.11 in) bead of silicone sealant to the sealing surface of the PTU cover. Install the PTU cover and tighten the 12 PTU cover bolts in a star pattern.

    Tighten to 32 Nm (24 lb-ft).

  6. Install the vent tube and the bolt.
    • Tighten to 14 Nm (10 lb-ft).
  7. Install the PTU. For additional information, refer to POWER TRANSFER UNIT (PTU) - AUTOMATIC TRANSAXLE 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.