Re: Crankshaft Pully

Posted by Wayne Swenson on October 23, 2005 at 17:36:07 from (66.191.70.114):

In Reply to: Crankshaft Pully posted by Gene37 on October 23, 2005 at 15:48:08:

It is just an interference fit; a tight one at that!
Use a heavy duty bearing separator and 2-jaw heavy duty bearing puller. Since you are going to replace the seal, some heat from a torch will help loosen the cast pulley. It is brittle so be very careful; do not pull on the edges of the belt flange or breakage will occur.
When re-installing, be sure all rough edges are removed and the pulley keyway is aligned with the key on the crankshaft. Make a plate or find a heavy pipe so you can pound on the center of the pulley (see above paragraph concerning belt flanges). Heat the pulley to 200 degrees or so and it will go on rather easily. Pound until the pulley is fully installed on the crank. Did you remember to put some assembly lube on the inner edges of the oil seal? Dry seals and dry shafts make heat & wear when first starting the engine until oil is finally splashed around.

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