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    4. : What should I do if I hear a noise in the gearbox on the 2003 Cadillac Cts?

What should I do if I hear a noise in the gearbox on the 2003 Cadillac Cts?
Years 2002-2007

Answer

Generally the noise starts at around 40km / h and gets louder as speed increases. The noise does not occur at idle or at a certain number of revolutions but only when it reaches 40 km / h. Even if the gearbox is smooth and there is no loss of power, the noise occurs punctually. Some interventions to be done in this case are 1) Change the gear oil regularly (preferably Mobile 1 fully synthetic) and change the transmission oil at regular intervals as indicated in the maintenance booklet. If the problem persists, it is best to contact a specialized workshop.
Posted on: 14 September 2022 by ScegliAuto

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