Help. High pitch noise from the right...

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Author Message   Ed H Posted on Wednesday, August 21, 2002 - 02:45 pm:    Traveling between 5 to 40 mph, I can hear this intermittent high pitch noise from my right front wheel (I think). At first, it happens when I turn my wheel to the right and now it does it in straight line. It drives me nuts. Is there something wrong with my 96 disco? Thanks.   Kyle Posted on Wednesday, August 21, 2002 - 02:51 pm:    I would check the wheel beaings. kyle   Paul T. Schram (Paulschram) Posted on Wednesday, August 21, 2002 - 03:26 pm:    Might also be a grenaded CV joint. When they let go catastrohpically, the bits and pieces of the cage and the balls will rub up against the ABS sensor ring and make a sound not unlike a siren. Hurry up and do your inspection as this is likely a harbinger of worse things if ignored, be it a CV joint,or a wheel bearing. Paul   Kent Westbrook Posted on Wednesday, August 21, 2002 - 04:58 pm:    Is there a tech write-up somewhere that discusses how best to go about this inspection ? I don't have the problem Ed mentioned, but I'm always paranoid and not sure what to look for. Guess what I'm asking is what would I see if I did have an issue down there? Kent   Ramsay (3toedsloth) Posted on Wednesday, August 21, 2002 - 05:23 pm:    Quote: Guess what I'm asking is what would I see if I did have an issue down there? The folks at DiscoWeb have helped me and alot of other people with plenty of problems, however I think this is one you're going to have to work through by yourself Kent. Hang in there bud.   jb Posted on Wednesday, August 21, 2002 - 05:38 pm:    It could be the Fetzer valve ( although it's all ball bearings these days) ....but this link will explain how to trouble shoot step by step.. http://www.spanishtrailrovers.com/Tech/Maintain/Wheel_Bearing_Replacement/wheel_bearing_replacement.html enjoy!   Ed H Posted on Wednesday, August 21, 2002 - 07:46 pm:    Guys, Thanks so much. It is greatly appreciated.   Paul T. Schram (Paulschram) Posted on Thursday, August 22, 2002 - 09:44 am:    Ed: To a great degree, wear and damage to any of the components contained in the swivel housing and related assemblies are difficult to detect by visual inspection-until they start to go badly wrong. I have jokingly stated on many occasions that a scanning electron microscope might be a handy thing to have when working on Rovers for this very reason. Bearings might begin to show some discoloration if they have gone dry and gotten hot. Check the inner surface of the race for scoring or heat marking. You may be able to detect some increase in clearances in the wheel bearings after removing the grease. Also, check the appearance of the hub where the bearings ride. CV joints, there is very little that can be detected without aid. You may be able to determine if the cage/balls have worn if the CV joint will move on the end of the shaft more than a few thousandths (that is kind of misleading-what you're looking for is play between the inner star and the axleshaft. If it's sloppy, you may have some wear). If you disassemble the entire CV joint, you might be able to see evidence of wear on the cage or the balls-DON'T BE ALARMED by what appears to be evidence of overheating on the inside of the cavity of the stub axle-it's just heat treating (case hardening or carbo-nitriding). Of course, if the oil comes out looking like mud or you find loose parts inside, that's usually a bad sign.   Kyle Posted on Thursday, August 22, 2002 - 10:00 am:    There is a link to wheel bearing replacement in the tech section.... That gets ya in there.. Kyle   Neil Flanagan (Electriceel) Posted on Thursday, August 22, 2002 - 11:40 am:    For the CV, try this: http://www.yellowdefender.com/how_to_tips/c_v_repair/index.htm Neil 94 D90 #1092 97 Disco   Ed H Posted on Friday, August 23, 2002 - 08:11 pm:    Can I get all the bearing parts from the local auto store?   Axel Haakonsen (Axel) Posted on Saturday, August 24, 2002 - 08:58 am:    Wheel bearings, go to your local Napa and ask for Timken set 37. You need 2 per wheel.