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Old 01-30-2011, 04:18 PM
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Hum or drone at 2000 rpms

My truck is starting to make a hum or drone when I get close to 1950-2050 rpms, it does it in every gear while accelerating, and while cruising at about 70mph. It sounds like its coming from the front of the trans or back of the motor, I know these things are known for TC problems, do they make noise before they go out? At higher or lower rpms I hear nothing. Any info is much appreciated
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Old 01-31-2011, 11:43 AM
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Really? Nobody knows if a torque converter makes noise if its bad?
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Old 02-03-2011, 06:49 AM
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Old 02-03-2011, 08:01 AM
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Wow, you would think someone would answer you... it's been a few days. I don't really have any info for ya, no first hand experiance, but yes, I have heard that tork converters can make some noise when failing. The one in my yellow truck went out about 2 years ago, but it didn't make any noise, just would rev high untill the truck go going fast enough to get the tork converter to lock up, then it ran fine at highway speeds. Was able to get it to the trans shop before i needed a tow...

Hope someone will chime in and help you out...
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Old 02-03-2011, 08:17 AM
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Thanks, mine usually shifts on time, but sometimes it shifts too early ( into overdrive at 40) and sometimes it shifts later ( overdrive at 55) not sure if that is typical or not
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