Special Tools

J 34741-A:  Input Seal Installer contains:

• J 34741-1:  Input Shaft Seal Installer
• J 34741-2:  Input Shaft Seal Pusher
• J 34741-3:  Input Shaft Seal Compressor

For equivalent regional tools, refer to Special Tools .

Fig 1: Installing J 34741-1 Into The Input Clutch Housing
Courtesy of GENERAL MOTORS CORP.
1. Install J 34741-1:  seal installer into the input clutch housing (632). Adjust J 34741-1:  seal installer so that the bottom of the seal installer aligns with the lowest seal ring groove.
2. Use transmission fluid in order to lubricate the oil seal ring for the input clutch housing. Position the ring on the J 34741-1:  seal installer.
Fig 2: Using J 34741-2 & J 34741-1 To Install Seal Rings
Courtesy of GENERAL MOTORS CORP.
3. Position J 34741-2:  Input Shaft Seal Pusher onto the J 34741-1:  seal installer. Push the seal (628) into the seal ring groove.
Fig 3: Locating Second & Third Seal Rings
Courtesy of GENERAL MOTORS CORP.
4. Repeat this procedure for the second and the third seal rings (628).
Fig 4: Installing J 34741-3 Over The Seals
Courtesy of GENERAL MOTORS CORP.
5. Remove the input seal installer.
6. Use a twisting motion in order to assemble J 34741-3:  seal compressor over the seals.
7. Leave J 34741-3:  seal compressor in place until the input clutch housing assembly (632) is assembled into the transmission.