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engine vibrates 1500-1800 rpm in park

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Old 04-09-2008   #1 (permalink)
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Smile engine vibrates 1500-1800 rpm in park
I had a serious vibration at 1800 rpm which was pretty much eliminated when the torque converter was replaced. I assume the lock-up function was faulty. However there still is vibration at in park at about 1500-1800 rpm. Replacing the harmonic balancer did not help. Can anybody advise where to look now? Thanks
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Old 04-10-2008   #2 (permalink)
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Transmission Mount, Motor Mount[s] or U Joint. Check them out in that order.

And although you didn't mention the year details, most OD transmissions are activated electrically. There is a 'switch' that might cause the converter to lock in and out causing a stuttering.
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Old 04-10-2008   #3 (permalink)
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sorry-it's an '04 Mustang conv with the v6
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Old 04-10-2008   #4 (permalink)
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sorry-it's an '04 Mustang conv v6
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