I have a '99 and I drive it hard and haven't had any vibration trouble at all. LB Hall '99 Cobra Mustang Vert. '88 Mustang GT ----- Original Message ----- From: Martin, Leslie <[EMAIL PROTECTED]> To: SCOA (E-mail) <[EMAIL PROTECTED]> Sent: Thursday, November 18, 1999 2:20 AM Subject: SCOA: BAD VIBES ON '99's > Please forgive me if this topic has been discussed in length before, I'm new > to this list and may have missed it if it was. > > I have seen a lot of postings lately on noticeable levels of vibration on > '99 Cobras at highway speeds. In addition to what I have read in this list, > I have seen it mentioned in other chats, and have spoken to other '99 > owners, as well as the SVT hotline. These complaints vary, but they seem to > be common to both '99 convertibles and coupes, and they all seem to happen > at around 60-80 MPH. My personal experience with my car is that I get a > noticeable, but not extreme harmonic vibration that starts at about 65 and > seems to subside after 85 or so. The speed range and intensity seem to vary > with the road surface, and rate of acceleration, but I notice it almost > every time I drive the car at these speeds. > > According to the SVT hotline there is no known, documented problem with the > '99's that would cause such a problem. Therefore, they recommend that this > symptom be treated like any other vibration problem would be on any other > car. Assuming this is true, it seems to me that you would have to take a > very broad approach to troubleshooting this problem. Obviously the IRS is > suspect as it is a totally new design unique to the '99 Cobra's (and now > being sold aftermarket). If you assume the problem is an unknown problem in > the rear end, it really could be anything from a loose bushing to a warped > drive or prop shaft to wheels out of balance. > > I have not had my car back to my local Ford dealer since a member of their > crack team of rocket scientists put SEVEN quarts of oil in my crankcase at > my 3K oil change (yes, I had to siphon one out). The good news is that I am > now on a first name basis with the service manager because of this episode. > I plan to work up a step by step action plan with him to isolate and resolve > the problem with my car. In order to help me do this, I have a few > questions of my fellow '99 owners: > > 1. Has anyone experienced this problem and successfully isolated the > cause and resolved it yet? > 2. If so, what was the specific area or component that was at fault? > 3. If not, can anyone who has attempted to remedy this problem comment > on what steps they have taken that were not successful? > 4. Has anyone resolved or at least improved this condition with the > installation of aftermarket components? If so, what helped? > > Although I lack confidence in my dealers service capability, I am sure they > can fix this (if it is in fact fixable) with a good, methodical step by step > approach. I am not opposed to modifying the car with aftermarket parts, but > I would much prefer to get it fixed right under warranty if possible. I > would appreciate any input or advice that anyone can offer on this matter. > > Best Regards, > > Leslie Martin, Folsom CA > 99 Cobra Convertible (Electric Green/Tan) - bone stock, not "fixed" yet > > '98 Explorer XLT (Evergreen Frost) 4.0 SOHC - minor cosmetic mods > > > > > > > _________________________________________________________ > To unsubscribe or change your subscription options visit: > > http://www.scoa.org/maillist.htm > > Please observe the mailing list rules: > > http://www.scoa.org/listrules.htm > > If you have questions about this list, contact: > > [EMAIL PROTECTED] > _________________________________________________________ To unsubscribe or change your subscription options visit: http://www.scoa.org/maillist.htm Please observe the mailing list rules: http://www.scoa.org/listrules.htm If you have questions about this list, contact: [EMAIL PROTECTED]
