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2013 Chevrolet Suburban
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Transmission is Making a Rattling Noise?

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Old February 8th, 2011, 7:52 PM
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Default Transmission is Making a Rattling Noise?

Yesterday I heard the truck backing up, and I noticed a loud clanking noise coming from the undercarriage of the truck. Today I crawled under with the engine running, and the noise became louder. Finally I crawled far enough back to find where the noise seemed to be coming from. It seemed to be loudest under the pan of the transmission. I put my ear up to it and it was rattling and clanking.

Its an auto tranny. I have no idea what this could be.

Any ideas ?

Thanks.

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Old February 9th, 2011, 3:13 PM
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Any ideas? I'm really puzzled.

I don't know where to start.
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