Extension Assemble

Special Tools

• DT-47722  Shift Rail Bushing Remover and Installer. See Special Tools .
• DT-47724  Output Shaft Bearing Cup Installer. See Special Tools .
• J 8092  Driver Handle
• J 44765  Seal Installer. See Special Tools .

Fig 1: Installing Tapered Bearing Race
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure that the extension housing installation surfaces are clean.
1. Using DT-47724  (2) and J 8092  (1), install the tapered bearing race (89). See Special Tools .
Fig 2: Identifying Tapered Roller Bearing
Courtesy of GENERAL MOTORS CORP.
2. Apply gear oil and install the tapered roller bearing (89).
Fig 3: View Of Output Shaft Oil Seal
Courtesy of GENERAL MOTORS CORP.
3. Using J 44765  , install a NEW rear output shaft oil seal (92). See Special Tools .
Fig 4: Installing Shift Shaft Seal
Courtesy of GENERAL MOTORS CORP.
4. Using DT-47722  , install a NEW shift shaft seal (88) to the specified depth (a). See Special Tools .

   Depth:  Drive the shift shaft seal to a depth of 4.6-5.4 mm below the surface of the extension housing.