IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Bad TC? Transmission problem?

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Old 08-17-18, 07:41 AM
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Dx3
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Default Bad TC? Transmission problem?

Guys,

Picked up an 06 AWD IS250 with 150k miles that has what could possibly be a transmission issue. I originally thought it was maybe a bad u-joint or driveshaft issue, but now I am concerned it could be the transmission. Hard to describe the noise, but it only happens in gear, and either fully stopped or slow speeds. Once I go into neutral it stops. Alternatively it could be at higher speeds and I just can't hear it as well. I have a pretty in depth scanner that showed zero transmission codes, but not sure if a bad TC would provide codes or not? Unfortunately all of my jack stands are holding up another car for the time being so I can't get it up in the air with all 4 wheels off the ground. It's my Monday at work so I won't get a chance to bring it in anywhere until Tuesday, and to be honest having to think about what it could be for 4 days is going to drive me nuts. I will try to record the sound and post it on here. When driving the car seems to shift without any issues, all are smooth through all gears... Any immediate thoughts?
Old 08-18-18, 04:37 PM
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Dx3
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Well as everyone waits with baited anticipation I am happy to report I believe the noise is coming from one of the cats and not the transmission.
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