Free Manual Modul

2005 Cadillac STS Engine Oil Leak at Crankshaft Rear Main Oil Seal

Some customers may comment on external oil leakage. A new design
crankshaft rear main oil seal has been released. This seal incorporates
features that improve high mileage durability. Replace the crankshaft
rear main oil seal with the new design rear main oil seal, P/N 12592195
(in Canada, P/N 31022784) .

using the following service procedures.
Download free 2005 Cadillac STS Engine Oil Leak at Crankshaft Rear Main
Oil Seal.pdf here