eatmysubydust Posted October 4, 2014 Share Posted October 4, 2014 My 1997 manual 2.5l outback has some shaking features. Whenever I am driving in about 3rd or 4th gear and between 3000 to 4000 rpms it shakes a bit. It's not all the time but some times it's bad. My motor mounts are needing replacing so I know some shaking is from that. But i know not all is that. What else do I need to do? Link to comment Share on other sites More sharing options...
john in KY Posted October 4, 2014 Share Posted October 4, 2014 Take a look at the driveshaft U joints. Link to comment Share on other sites More sharing options...
eatmysubydust Posted October 4, 2014 Author Share Posted October 4, 2014 Sound I look for anything particular? Link to comment Share on other sites More sharing options...
john in KY Posted October 4, 2014 Share Posted October 4, 2014 Slop/excessive play. Link to comment Share on other sites More sharing options...
lmdew Posted October 4, 2014 Share Posted October 4, 2014 Stiffness rough movement. You'd have to pull it to do it well. Link to comment Share on other sites More sharing options...
01 Outback Posted October 16, 2014 Share Posted October 16, 2014 (edited) I just went through this with my 01 Outback. I was hearing a roar at 50 MPH and the seat vibrated. Rear u-joint had 1/4 inch of slop. Be prepared to get your wallet out if you find a bad u-joint as they are not replaceable. You will have to buy the whole driveshaft. I looked on line and called autozone. I was quoted between $450 and $550 for a remanufactured driveshaft. I went to a local slavage yard and found a good used one for $135. Problem solved. Edited October 16, 2014 by 01 Outback Link to comment Share on other sites More sharing options...
xdeadeye1 Posted October 16, 2014 Share Posted October 16, 2014 There could be a business that rebuilds them in your area. There is one in my area.. Link to comment Share on other sites More sharing options...
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