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Car Forum / BMW Cars / May 2004Broken Ball Joint
Hi, I am living in Hong Kong and driving a X5. Yesterday I went to the garage changing the front left tyre because of a flat tyre the night before. The garage guy told me he found oil stain on the inner side of the rim. There may be a cause by the broken ball joint or dust cover. Please tell me whether this is possible due to the flat tyre and I was still running for some distance. In Hong Kong garage guys are tricky, they always want you to change something. Anyone here has the same experience and what would be the oil on the rim. One more thing, when I change the spare tyre, the jack collapsed and the brake disc dropped on the inner side of the rim after I loosened the screw. Would that be affected or...............? Please help, any expert here! I don't want to be cheated by those tricky garage guys. Spencer > I am living in Hong Kong and driving a X5. Yesterday I went to the garage > changing the front left tyre because of a flat tyre the night before. The [quoted text clipped - 4 lines] > change something. Anyone here has the same experience and what would be the > oil on the rim. It is *very* unlikely that the oil would be from a ball joint - they have some grease inside, but no oil. > One more thing, when I change the spare tyre, the jack collapsed and the > brake disc dropped on the inner side of the rim after I loosened the screw. > Would that be affected or...............? It's far more likely that the oil was already there, or that it's brake fluid. Sounds like it didn't drop very far - it's very unlikely that physical damage to the axle would take place in any drop less than 2-4 inches, especially since it sounds like the tire/wheel cushioned the fall. Get a second opinion.' Floyd Floyd, Thanks for your comment. That should be grease like stuff instead of oil as my mother language is not English. Then would that be the ball joint or dust cover really broken if an entirely flat tyre keeps running for some distance? How would that be affedted to the performance if the ball joint broken. It cannot even go or it will break some day. Please comment. You are right, I don't think the brake disc or the axle damaged with several inches dropped with the tyre/wheel cushioned. I don't find any problem when I drove the car for a while today. "fbloogyudsr" <fbloogyudsr@nwlink.com> ???g???l???s?D :10b1ii4p1go1i7e@corp.supernews.com... > > I am living in Hong Kong and driving a X5. Yesterday I went to the garage [quoted text clipped - 27 lines] > > Floyd > Thanks for your comment. That should be grease like stuff instead of oil as > my mother language is not English. Then would that be the ball joint or dust > cover really broken if an entirely flat tyre keeps running for some > distance? How would that be affedted to the performance if the ball joint > broken. It cannot even go or it will break some day. Please comment. The dust cover for a ball joint is not likely to get broken by a flat tire. Nor is the dust cover for the CV-joint, which would be more serious as the CV-joint is much more expensive to replace. The other place where there is grease is the axle bearing. It's possible that a flat tire, driven on for a while, might cause heating and/or stress to the wheel bearing that could cause some grease to get out. I doubt it, however. I remember seeing a 60 Minutes show where they caught mechanics with small tubes of oil/grease putting it on suspension components while checking tire pressure and convincing patrons that they needed new shocks/etc. Floyd > The dust cover for a ball joint is not likely to get broken by a flat tire. > Nor is the dust cover for the CV-joint, which would be more serious > as the CV-joint is much more expensive to replace. I'd go along with a torn CV joint boot if there is one but it should be quite obvious by inpection of that area what's causing it. If the boot is torn it may be that the joint itself is fine (for now). After I heard you guys comment. It scared me and better to have inspection on the front wheel. Thanks anyway! "adder" <adder1969@yahoo.co.uk> ???g???l???s?D :66674363.0405260427.67ea407c@posting.google.com... > > The dust cover for a ball joint is not likely to get broken by a flat tire. [quoted text clipped - 4 lines] > be quite obvious by inpection of that area what's causing it. If the > boot is torn it may be that the joint itself is fine (for now). |
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