2005 Mustang 4.0 V6 crank pulley failure

i posted this some in the talk section but the v6 guys need to check this out. i noticed at most a month ago the rubber ring from the crank pulley was looking tattered,( 1st pic) but yesterday it came apart.(2nd pic) if you run your car hard at all, better check your pulley. i was lucky and made it home but it would be a real bummer on the side of the road as it could cause some serious and dangerous problems and its not a easy fix.

the pulley is so deep in the frt, most pullers dont work good and you need xtra long metric puller bolts for a pulley puller. i had better luck with a large 3 jaw puller. i scrolled through pages on ebay at rpm outlet. they have aftermarket pulleys but i didnt see one for the 4.0. stlwagon has a good link for ford parts if you have time to order and wait.129.00. i picked up a pulley at one dealer, 168.00 but had to go to another dealer to get the new bolt required for install,6.00.

i failed to take a pic of the new pulley out of the box but it is pretty different.(3rd pic) the crank sensor gear is way different and the frt of the new one is completely covered with rubber so its gonna be harder to see its going bad. at least the new one 3" puller bolts will work to remove it. you`ll have to pull the cai, radiator top tank, powersteering tank, and the fan assembly out.

the mechanic at the dealer said he has seen quite a few come in so it sounds pretty common( or more so with people who run their car harder, which i`m sure no one here does :nogrinner)