Removal Procedure
- Remove the transmission assembly. Refer to TRANSMISSION REPLACEMENT in Automatic Transmission-4L60-E.
- Remove the engine flywheel. Refer to ENGINE FLYWHEEL REPLACEMENT .
- Remove the crankshaft rear oil seal from the crankshaft rear oil seal housing.
Courtesy of GENERAL MOTORS CORP.
Insert a suitable tool into the access notches and then carefully pry the crankshaft rear oil seal from the crankshaft rear oil seal housing.
- Discard the crankshaft rear oil seal.
- Clean off any dirt or rust in the area.