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Weird noise in my CTS

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for about... three days now my CTS has been making this noise i can best describe as a light howl whenever im lightly pressing the gas pedal... when i hit the pedal harder the noise goes away... it also goes away when im not touching the pedal at all... any ideas as to what this might be?

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it started only at highway speeds but last night it happened at around 40ish

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alright... should i take it to a dealer to get it fixed or will any auto-service place be good?

alright... should i take it to a dealer to get it fixed or will any auto-service place be good?

I don't think there ever was a recall on it... but if you let it go too long the diff will have to be replaced.

There is a recall on a leaky seal on your rear differential if your car is a 2005-2007.

Hope that it's under warranty and take it to Cadillac.

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the warranty is there... got an extended one when i bought the car... thanks for you help

Hell the recall will cover the car even if the warranty isn't there. But yeah, that's probably what it is, so take it in and call it a day from there.

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