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Re: 2009 Cadillac CTS 3.6L Rough idle
Posted to Technical Discussion Forum on 3/15/2023

Customer said he bought it a month ago and ran it with current symptoms.

I removed both serpentine belts and ran it for a bit and no change then harmonic balancer and also no change.

I went into this job thinking it would be easy based how common timing ch... Login to read more.