Rear Crankshaft Oil Seal: Installation
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- Carefully clean oil seal grooves in bearing cap and block. Coat split-lip seal halves with engine oil. Carefully install upper seal into groove in cylinder block, with undercut side of seal toward front of engine.NOTE: DO NOT damage outside surface of seal when installing in groove. DO NOT allow oil on area where sealer is applied.
- Rotate seal on crankshaft journal until about 3/8" (9.5 mm) of seal protrudes below parting face. See Fig 1. Tighten all main bearing cap bolts except rear main. Install lower seal in rear main bearing cap, with undercut side of seal toward front of engine.
- Allow seal to protrude about 3/8" (9.5 mm) above parting surface to mate with upper seal when cap is installed. Apply 1/16" (1.5 mm) bead of silicone sealer to both sides of cylinder block-to-cap mating surface and both sides of bearing cap. See Fig 2.
- Install and tighten rear main bearing cap before sealer sets (about 15 minutes). To complete installation, reverse removal procedure.