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Old 10-25-2013, 05:04 PM
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noises in the torque converter area.

hello all, when it comes to transmissions and torque converters my knowledge is very limited i dont really know their internal workings at all. as for the technical stuff its a 1986 chevy 350 motor a th350 transmission (bought at a swap meet) the torque converter is a b&m torque master 2400 i bought from classic ind. my original motor was a 327 with about twice the hp of the present motor but thats another story.the car its in is a 66 impala.

basically right now i have a noise that is coming from the rear of the motor or the bellhousing area it is loudest under the car at the torque converter. the best way to describe the noise is when sitting in the car it sounds like a diesel motor running at idle when driving the car over 50mph it gets a lot louder. but the trans. doesn't slip and it seems to shift ok the fluid is red and full. i checked the flywheel to make sure there were no cracks.

one question i had is this does the tranny fluid flow back and forth from the converter into the tranny ? when i orriginally filled it with fluid it was v e r y slow to flow in and i think i put more than a quart in but i assumed it would fill from the transmission once it was all running was i wrong? any suggestions are aprieciated

thanks rich.

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Old 10-25-2013, 06:15 PM
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Oil constantly circulates in & out of the converter as the engine runs.

I edited the thread title , since cutesy thread titles do not give the membership an idea of your questions
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Old 10-25-2013, 06:50 PM
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I can tell you from personal experience a hair line crack (or cracks) in your flywheel will give you a sound very close to a spun bearing. A rattling, snarling, "diesel like" sound. Get under there and take a good look at your flywheel
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Old 10-25-2013, 06:55 PM
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i did have that happen once a few years back and this is a different sound like a harsh wurring sound the flywheel was more like a clack clack rattle.
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Old 10-25-2013, 07:09 PM
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Does the sound change by putting it in gear, and taking it out of gear ?
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Old 10-25-2013, 07:17 PM
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no it stays the same but over all it has gotten louder since i first noticed it
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Old 10-26-2013, 07:25 AM
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clacking sound to me is a loose flywheel. check those botls
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