idosubaru Posted May 16, 2012 Share Posted May 16, 2012 (edited) 03 Outback Sedan H6 Auto 150k. one of my daily drivers, it's done this since I've been driving it last year. Vibrates on deceleration at 50mph or more. In other words it starts vibrating as soon as I let off the gas. Goes away immediately when I hit the brakes or accelerate. ***Could alignment cause a vibration like this? Inner DOJ CV joint? (i'm used to these vibrating when accelerating, not decelerating?) I just rebuilt and installed an axle on the drivers side at 3am just now...maybe i'll do the passengers side tomorrow? Edited May 16, 2012 by grossgary Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted May 16, 2012 Share Posted May 16, 2012 I'd first look at toe/steering gear/alignment problems - maybe made worse by a bad tire. I suppose it could be several things, but if tie rods are worn, the toe changes on decel., kinda weird its better when the brakes are applied but..... I'm sure you'll find it. Link to comment Share on other sites More sharing options...
nipper Posted May 16, 2012 Share Posted May 16, 2012 Tire balance wheel bearing CV joint driveshaft universal Tie rod ends. What caused you to rebuild a shaft, really should replace them considering the work involved. Link to comment Share on other sites More sharing options...
idosubaru Posted May 17, 2012 Author Share Posted May 17, 2012 replacing the axle solved the problem. so it was one of these two. wheel bearing CV joint i noticed a bad wheel bearing when i removed the axle. no prior signs, car ran and drove fine - perfectly quiet and no noises. after removing the axle the wheel bearing was very lumpy and would even stick rather abruptly. my first guess is that it was the axle - though i've never seen one vibrate during deceleration before. i guess the bearing may have caused it and by taking it apart and reinstalling it changed the loading somehow...this seems doubtful though. What caused you to rebuild a shaft, really should replace them considering the work involved.broken inner boot. i just reboot/regrease Subaru OEM axles, i haven't yet reached any wear or failure issues with Subaru axles...though i recall you replacing yours. these have 150,000. axles are easy actually. 1 bolt and 1 nut to get the axle out (once tire is removed). axle nut and top strut mount bolt - axle comes out. then the messiness of cleaning, grease, booting. Link to comment Share on other sites More sharing options...
CNY_Dave Posted May 17, 2012 Share Posted May 17, 2012 Did you put any weight on the wheel bearing before torquing the axle nut? Link to comment Share on other sites More sharing options...
idosubaru Posted May 18, 2012 Author Share Posted May 18, 2012 (edited) Did you put any weight on the wheel bearing before torquing the axle nut?i'm not sure what you mean dave...you mean the bad bearing - i never torqued it on or reinstalled it since it was bad when I removed it. *** I had to take the axle/hub to a shop across the street and have them separate it - he has a special puller tool - which i am now going to get, it was really sweet. anyway - not sure what they did or if that could have impacted the bearings? i removed it with no weight since i pulled the axle/hub as a unit. Edited May 18, 2012 by grossgary Link to comment Share on other sites More sharing options...
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