Originally Posted by romeokc10

I replaced my water pump and all belts on my 4.6is back in October, replaced the plastic pulley with an aluminum pulley for peace of mind. The nut shouldn't take that much to get it off, and it doesn't take much to tighten it, it will self tighten due to it being reverse threaded. You can buy the metal bar that holds the pulley in place on Ebay.