Extension Housing Installation

Special Tools 

J 44765:  Seal Installer

For equivalent regional tools, refer to Special Tools .

Fig 1: View Of Inner & Outer Shaft Bearing Inspection Areas
Courtesy of GENERAL MOTORS CORP.
1. Inspect both inner and outer output shaft bearings for the following:
   • Damaged cage
   • Roller pitted
2. If either bearing is damaged replace extension housing.
Fig 2: Measuring Dimension B
Courtesy of GENERAL MOTORS CORP.
3. Rotate the transmission 90 degrees.
4. Measure from the bottom to the face of the output shaft. Record this as dimension B. Refer to the End Play Specifications (5L40-E) to determine the correct washer size.
Fig 3: Identifying Extension Housing Components
Courtesy of GENERAL MOTORS CORP.
5. Install the input and reaction carrier washer (22).
6. Install the input and reaction carrier thrust bearing (23) onto the extension housing.
7. Install the extension housing gasket (25) onto the extension housing (27).
8. Install the extension housing (27) onto the case.
CAUTION: Refer to Fastener Caution .
9. Install the extension housing bolts (35). Tighten the extension housing bolts to 22 N.m (16 lb ft).
Fig 4: Identifying Prop Shaft Flange Seal
Courtesy of GENERAL MOTORS CORP.
NOTE: Install the seal onto the tool before installing into the case to prevent damage to the seal.
10. Using J 44765:  seal installer install the prop shaft flange seal (29).