joshmikesad Posted December 15, 2014 Share Posted December 15, 2014 I bought my car, 97 Legacy Outback, on ebay. Which had Horrible braking vibration when I first got it. Being a mechanical engineer, I decided to do a complete over haul of all 4 brake calipers. Completely cleaned, all new seals, gaskets, etc. Brand new centric rotors, Stop Tech Pads, properly bed in. And the vibration is still there! Where should I look first.... wheel bearings, ball joint, control arm bushings, tie rod bushings, steer rack bushings? Link to comment Share on other sites More sharing options...
monkeyposeur Posted December 16, 2014 Share Posted December 16, 2014 Are the wheels balanced? I'd check there first. Then I would check the ball joints and CV axles. Both have caused vibration issues on my subies. Link to comment Share on other sites More sharing options...
SBT Posted December 16, 2014 Share Posted December 16, 2014 Sounds like your brakes are solid. Check your alignment. I had a really bad vibration with one of my 98 LGTs when I first bought it. Turns out the rear wheels were both toed-out, one ridiculously so. Fixed the alignment, rotated the tires, all good. - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
Fake Outback Posted December 18, 2014 Share Posted December 18, 2014 I second checking the alignment and then check front arm bushings. My car vibrates under braking at around 50-60mph due to shot suspension bushings right now (this is next on the to do list). Link to comment Share on other sites More sharing options...
joshmikesad Posted December 18, 2014 Author Share Posted December 18, 2014 I know my alignment is out of wack, just by looking at it. I plan on putting 02-07 WRZ KRB GR2/Excel-G Struts and 04 STI springs on it in the very near future. Since its on jackstands right now for new shift linkage, tranny mount, and tranny crossmember bushings. Will have alignment done after that. Link to comment Share on other sites More sharing options...
Fake Outback Posted December 18, 2014 Share Posted December 18, 2014 Did you check the suspension bushings? If those are shot, the alignment might not even be possible. Link to comment Share on other sites More sharing options...
johnegg Posted December 18, 2014 Share Posted December 18, 2014 if you accelerate hard, up a hill, does the steering wheel want to wobble? if you take your hands off of it for a bit, does it wobble or vibrate? i read, and did not believe, that cheap axles could contribute to wobble/vibration when driving, braking, accelerating. so maybe you should check your axles. subaru axles have a green inner cup, the big piece right next to the trans. after market could be any color, but black and ''no paint'' are common. there is one quality rebuilder that uses blue. i don't understand how a bad outer CV joint could cause the wheel to wobble, but maybe. Link to comment Share on other sites More sharing options...
Fake Outback Posted December 19, 2014 Share Posted December 19, 2014 subaru axles have a green inner cup, the big piece right next to the trans. after market could be any color, but black and ''no paint'' are common. there is one quality rebuilder that uses blue. Remanufactured Subaru axles have a black inner boot. Link to comment Share on other sites More sharing options...
joshmikesad Posted December 19, 2014 Author Share Posted December 19, 2014 ive used Genuine reman Subaru axles before on my FXT with no issues at all. I havent checked the axle colors but i will at lunch today Link to comment Share on other sites More sharing options...
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