Crankshaft Rear Oil Seal Installation

Special Tools

• EN-51145  Crankshaft Seal Installer
• DT-523-1  Handle

For equivalent regional tools, refer to Special Tools .

Fig 1: Crankshaft Rear Oil Seal And Installer
Courtesy of GENERAL MOTORS COMPANY
1. Install the EN-51145-1  installer (1) to the crankshaft.
2. Install the crankshaft rear oil seal (2) to the EN-51145-1  installer (1).
Fig 2: Seating Crankshaft Rear Oil Seal
Courtesy of GENERAL MOTORS COMPANY
3. Pull in the crankshaft rear oil seal (1) with the EN-51145-2  installer (2) and the DT-523-1  handle (3).
4. Remove EN-51145  installer.
Fig 3: Ensure Crankshaft Rear Oil Seal Is Properly Seated
Courtesy of GENERAL MOTORS COMPANY
5. Check the proper seat (1) of the crankshaft rear oil seal.