ivans imports Posted March 5, 2014 Share Posted March 5, 2014 Have had a run of bad pinion bearings on 99-02 outbacks come in with trans whine in front diff two in one week noise gets louder the faster the car go's. When I got trans apart found the pinion bearing had lost the coating on some of the rollers and had damaged the race. Installed the new bearing from Subaru 195$ and 6.5 hours later fixed for under 1000$ customer was quoted 4700$ from dealer to fix this. Was some time involved to set crown and pinion backlash but was easy to check. Anyway wondering what that front diff noise is 1 Quote Link to comment Share on other sites More sharing options...
CNY_Dave Posted March 5, 2014 Share Posted March 5, 2014 I have a 4EAT on the bench due to front diff noise. I've never set up a diff, the 4EAT seems like a tough 1st try, so I stuck in a used trans. I've only pirated one bolt off the benched trans so far... Quote Link to comment Share on other sites More sharing options...
idosubaru Posted March 5, 2014 Share Posted March 5, 2014 yeah i'd like to have some resources for setting up a Subaru front diff - even someone that's efficient and knows how to do it. i contacted a couple Subaru forum guys that know how to do it within 3 hours of me and didn't hear back. fortunately my donor front diff transmission ended up only having two cracked solenoid tabs and the pan was dented. doesn't look like i'll have to swap front diffs yet. Quote Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted March 5, 2014 Share Posted March 5, 2014 (edited) I have this image of Ivan making a video to set backlash on a diff. - but the audio is stream-of -conciousness, monotone and has no pauses . Edited March 5, 2014 by 1 Lucky Texan Quote Link to comment Share on other sites More sharing options...
KootenayJK Posted March 5, 2014 Share Posted March 5, 2014 Ivan: sent you a PM awhile back, hoping to hear back! Sorry to interrupt the thread.... Quote Link to comment Share on other sites More sharing options...
ivans imports Posted March 6, 2014 Author Share Posted March 6, 2014 And all in one sentence !!! the shims behind the bearing are key they are matched to trans unit and must be reused back lash can be checked buy Prushin blue or by feel. by holding both axle outputs and turning pinion to feel backlash. As long as no changes were made to side bearings is no need to move crown gear Quote Link to comment Share on other sites More sharing options...
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