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 11:03 AM
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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 6:17 AM
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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 11:01 AM
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