Ford LSG 875 — Crankshaft Rear Oil Seal Installation (Split-Lip Type)
Repair & overhaul · Rear main bearing cap and cylinder block seal
For the Ford LSG 875, from the Ford service manual.
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Before you start
- Do not allow oil to get on the sealer area
- Do not permit sealer to get on I.D. of split lip seal
Procedure
- Clean seal groove in cap and block with brush and solvent.
- Dip the split lip-type seal halves in clean engine oil.
- Install upper seal (block) with undercut side toward FRONT of engine, 1/8 inch below parting surface.
- Install lower seal in rear main bearing cap with undercut toward FRONT, 1/8 inch above parting surface.
- Apply even 1.588 mm (1/16 inch) bead of RTV Silicone Rubber Sealer D6AZ-19562-B as shown.
- Install rear main bearing cap and torque cap bolts to specifications.
- Install oil pump and oil pan; fill crankcase; operate engine and check for oil leaks.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Main bearing cap bolt torque 129-142 N·m (95-105 KuduParts $58.00 ft-lb)
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.