Rear Crankshaft Oil Seal: Installation
- Fabricate an oil seal installer if not supplied with replacement oil seal. See Fig 1
. Seal must be installed with oil lip facing front of engine. Use fabricated installer to protect seal from sharp edges.
Courtesy of GENERAL MOTORS CORP.
- Coat seal lip with engine oil. DO NOT allow oil to contact ends of oil seal. Install lower seal in main bearing cap. Install upper seal. Using fabricated installer. Feed seal in cylinder block.
- Roll seal around crankshaft. Use installer to protect seal from sharp corner of seal groove in cylinder block. Leave fabricated installer in position, until both ends of seal are flush with block.
- Remove fabricated installer. Apply sealer on cap-to-block mating surface of cylinder block at split line. DO NOT allow sealant to contact rear oil seal or crankshaft. Install and tighten rear main bearing cap to specification. See appropriate TORQUE SPECIFICATIONS
table. Install oil pump and oil pan.