briankk Posted December 3, 2011 Share Posted December 3, 2011 I thought it was a wheel bearing, grinding away back in the RR corner, and sought advice Now I don't think its a wheel bearing. I live 10 miles up a windy road, and the noise does not change, cornering left or right. It does follow wheel/driveshaft speed. I got home, jacked up the car and checked for wheel movement, grinding, etc., nothing, either side, all smooth and quiet, not loaded. I checked the diff drain to see if it contained oil, smoke or chunks, but could not get the fill plug loose, even using a 1/2 drive air gun. Sigh. This makes 3 wheels required air gun to get loose, now this plug is just stuck. Halfshafts look good, no tears or leaks in the boots, shaking by hand, they feel tight. Noise is now a constant whisk, whisk noise, no grinding... I'd rather fix it before it breaks. What am I missing here? TIA Link to comment Share on other sites More sharing options...
opus Posted December 3, 2011 Share Posted December 3, 2011 Ujoint in the driveshaft or carrier bearing. Link to comment Share on other sites More sharing options...
Dj7291993 Posted December 3, 2011 Share Posted December 3, 2011 I agree with opus, look at your driveshaft. Sounds can be deceiving, and don't always come from where you think they are. If it way after the diff, the speed of it should be different between strait, left corner, and right corner (the right wheel will turn slowest at, say, 25mph, on a right-hand turn, and fastest on a left, while the driveshaft will turn the same speed, strait or cornering). Also, always check the cheap(er), easy(er) stuff (i.e. u-joints and bearings) before the expensive, complicated stuff (your diff). Link to comment Share on other sites More sharing options...
briankk Posted December 3, 2011 Author Share Posted December 3, 2011 Oh, BTW, car is a '90 Loyale wagon with a mere 373k miles on it. The driveshaft looks fairly new, I can't think of a way to test the center bearing without taking the whole wretched mess apart.. Current plan is to drive it until whatever it is destroys itself, by then it should be obvious what ails it, but I hate to do this... Link to comment Share on other sites More sharing options...
opus Posted December 3, 2011 Share Posted December 3, 2011 Take the rear the shaft off, its not hard. 6 bolts. Drive it and see if the noise is still there. Link to comment Share on other sites More sharing options...
plodder Posted December 3, 2011 Share Posted December 3, 2011 Been there, done that, you think they make the T- shirt for it? I had replaced 3 bearings, one on one side(it was one of the reasons I got the car for 95 bucks 2 yrs ago) then two on the opposite side (thanks SJR for the parts). My problem ended up being my threads on my drive shaft. Weird huh? The nut would pop the threads, you would think the pin would stop it or break, but no. So here I am driving it and it works fine (because the bearing is fine), but because of the undue pressure of not being held tight as designed, it quickly fried bearings. add sauce mmmmm fried bearings. Changed out driveshaft (thanks again SJR), put the new used hub(I never actually replaced berrings) and bingo. 2 days later it starts making noise again:banghead: but it is ok, complete rookie move, I didn't tighten the 3 lug nuts properly! SO i tighten them, even adding a 4th for good measure, been fine ever since. Maybe something in there you can use, if not have a laugh at mine(and SJR's parts) expense. Link to comment Share on other sites More sharing options...
briankk Posted December 4, 2011 Author Share Posted December 4, 2011 Take the rear the shaft off, its not hard. 6 bolts. Drive it and see if the noise is still there. This sounds like a really good idea. Unfortunately, its 34 degrees outside just now, gonna have to wait for a warmer day.. FWIW, still looking for one only 14" steel Peugeot wheel.. Link to comment Share on other sites More sharing options...
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