I had to do my front main seal on the crankshaft. Not as bad of a job as I thought it would be. You do need a large socket, torque wrench, and the adapter that keeps the engine from rotating. My timing case itself was not leaking since its sealed pretty well from the factory. My oil pan used to be wet and now its dry!

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Current
1989 300SE - Siegfried
2010 Toyota Tundra Crewmax
2005 Honda CRV

Gone but not forgotten
2001 F150 Supercrew - The Screw
1966 Ford LTD 390 - The Big G!
1995 Mercury sable
1986 Subaru DL
1982 Ford EXP - my first car