2005 Mazda 3 vibration

2005 MAZDA MX5
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THECFO
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2005 Mazda 3 GT (5spd), 40,000 km, 2wd.

Just had new tires put on, rotated and balanced etc. Now, there is NO vibration until I hit about 80 km/h, then all of a sudden there is a detectable vibration I can feel in the car, but the steering wheel does not shake. Vibration is less as I approach highway speed from 80 km/h up to 110 km/h. Took the car in, they said the balance was fine and there was no separation on the new tires. What could be causing this vibration in such a new car? The tires may be a red herring, I'm not sure if that is indeed the source of the problem or just coincidence.
Aug 16, 2007 at 6:03 PM
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THECFO
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The vibrations comes and goes if I remain around 85-90 km/h, stays consistant for 30 seconds or so and then becomes weaker... then comes back moments later. Is this an alignment problem?
Aug 27, 2007 at 1:17 PM
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THECFO
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I have had the tires balanced twice since they were installed - both times the technician said they were indeed out of balance, the latter time saying that the hammer-on weight had fallen off. However, unfortunately the vibration remains strong. Is there something wrong with these tires that prevents them from being balanced? Any ideas, please?
Sep 4, 2007 at 6:01 PM
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