With the heads off you are supposed to install blocks with bolts to hold the liners down. These are included in the special tool kit that the dealers had. If the liners were to shift you would need to replace the lower seals. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx> wrote: > How do I get the crank pully nut off without disturbing the engine? I > have a head off and I don't want to risk shifting the cylinder liners. > > What happens if the liners are disturbed? > > Rich > #5335 -MD