Ford Mustang (1999-2004) Service Manual: Extension Housing Seal and Gasket

Special Tool(s)

Slide Hammer 100-001 (T50T-100-A)
Installer, Transmission Extension Housing Fluid Seal 308-002 (T61L-7657-A)
Remover, Transmission Fluid Seal 307-048 (T74P-77248-A)

Removal

1. Drain the transmission fluid. For additional information, refer to Fluid Pan, Gasket and Filter in this section.

2. NOTE: The output shaft and driveshaft are a balanced assembly.

Mark the driveshaft flange and the rear companion flange for correct alignment during assembly.

Extension Housing Seal and Gasket

3. Remove the four driveshaft bolts.

Extension Housing Seal and Gasket

4. Separate the driveshaft from the transmission.

Extension Housing Seal and Gasket

5. Use a high-lift transmission jack to support the transmission.

6. Remove the transmission crossmember bolts.

Extension Housing Seal and Gasket

7. Remove the transmission mount and crossmember.

Extension Housing Seal and Gasket

8. Using the special tools, remove the extension housing seal.

Extension Housing Seal and Gasket

9. Lower the transmission to access the extension housing bolts.

10. Remove the extension housing and gasket.

1. Remove the bolts and the nuts.

2. Remove the extension housing and gasket.

Extension Housing Seal and Gasket

Installation

1. Install the extension housing and gasket.

1. Install the extension housing gasket and housing.

2. Install the bolts and the nuts.

Extension Housing Seal and Gasket

2. Using the special tool, install the new extension housing seal.

Extension Housing Seal and Gasket

3. Raise and position the transmission.

4. Install the transmission mount and crossmember.

Extension Housing Seal and Gasket

5. Install the transmission crossmember bolts.

Extension Housing Seal and Gasket

6. Remove high-lift transmission jack.

7. NOTE: The output shaft and the driveshaft are a balanced assembly.

Install the driveshaft.

  • Align the yellow dots and position the driveshaft on the transmission.
  • Install the driveshaft.

Extension Housing Seal and Gasket

8. NOTE: To maintain driveshaft balance, align the marks made during disassembly for the rear axle flange and the driveshaft yoke.

Install the four bolts.

Extension Housing Seal and Gasket

9. Install the filter and pan. For additional information, refer to Fluid Pan, Gasket and Filter in this section.

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