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Strange T.C. Noise

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Old 12-21-2001, 09:16 AM
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Car: 1997 Z28
Engine: LS1
Transmission: T56
Axle/Gears: 3.42
Strange T.C. Noise

Does anyone know what this sounds like? My 91 bird is a 3.1 liter, and when the T.C. engages i get a slight little grinding noise. It is just a low pitch short grind. It doesn't sound real bad. And it only does it every once in a great while. Oh yeah and it only seems to do it when the converter is disengaged and then re-engaged quickly. Any ideas?

Last edited by 9D1BURD; 12-21-2001 at 09:25 AM.
Old 12-21-2001, 02:06 PM
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Old 12-23-2001, 05:55 PM
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82z
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Are you sure you have a torque convertor? It sounds like you have either a throwout bearing or input shaft bearing going south on a t-5.
Old 12-28-2001, 08:59 AM
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Car: 1997 Z28
Engine: LS1
Transmission: T56
Axle/Gears: 3.42
Yeah, i am sure i have a T.C. It's a small little baby one, but i do have one. I belive my trans is the 700r4? Auto of course. I only hear the sound when it re-engages quickly after dis-engaging, anyone else have any ideas?
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