how can you tell when your turbo is going out? i have play up & down, side to side, and in and out. not a whole lot but i can tell it has be touching the side of the housing a few times. can this cause the turbo to over heat and could this make my truck loose power over long drives on the hy way. some times i will be driving along the free way and then it's like some one turned my turbo off. i will have no power and it smokes like mount saint Hellenes. then i pull over let the truck cool down and hay i have power. one more thing if this sounds like i need to replace it or have it rebuilt where should i go? i am in Austin TX. thank's